Home / 709,123.28-1,063,684.08-210,487.28

Finding the Fourth Proportional to 709,123.28, 1,063,684.08 and 210,487.28

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Solution

The fourth proportional to 709,123.28, 1,063,684.08 and 210,487.28 is: 315,730.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,123.28 : 1,063,684.08 = 210,487.28 : x
  2. Step 2: Convert to fraction form
    709,123.28/1,063,684.08 = 210,487.28/x
  3. Step 3: Cross multiply
    709,123.28x = 1,063,684.08 × 210,487.28
  4. Step 4: Simplify right side
    709,123.28x = 223,891,968,778.50
  5. Step 5: Solve for x
    x = 223,891,968,778.50/709,123.28
  6. Step 6: Final answer
    x = 315,730.67

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Half scale
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Double scale
Find fourth proportional to 709,124.28, 1,063,685.58 and 210,488.28
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.