Home / 709,812.70-1,064,719.05-211,176.70

Finding the Fourth Proportional to 709,812.70, 1,064,719.05 and 211,176.70

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Solution

The fourth proportional to 709,812.70, 1,064,719.05 and 211,176.70 is: 316,765.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,812.70 : 1,064,719.05 = 211,176.70 : x
  2. Step 2: Convert to fraction form
    709,812.70/1,064,719.05 = 211,176.70/x
  3. Step 3: Cross multiply
    709,812.70x = 1,064,719.05 × 211,176.70
  4. Step 4: Simplify right side
    709,812.70x = 224,843,855,406.14
  5. Step 5: Solve for x
    x = 224,843,855,406.14/709,812.70
  6. Step 6: Final answer
    x = 316,765.05

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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.