Home / 761,220.38-1,050,484.08-417,069.34

Finding the Fourth Proportional to 761,220.38, 1,050,484.08 and 417,069.34

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Solution

The fourth proportional to 761,220.38, 1,050,484.08 and 417,069.34 is: 575,555.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,220.38 : 1,050,484.08 = 417,069.34 : x
  2. Step 2: Convert to fraction form
    761,220.38/1,050,484.08 = 417,069.34/x
  3. Step 3: Cross multiply
    761,220.38x = 1,050,484.08 × 417,069.34
  4. Step 4: Simplify right side
    761,220.38x = 438,124,704,803.22
  5. Step 5: Solve for x
    x = 438,124,704,803.22/761,220.38
  6. Step 6: Final answer
    x = 575,555.67

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.