Home / 738,051.90-1,107,077.85-509,729.10

Finding the Fourth Proportional to 738,051.90, 1,107,077.85 and 509,729.10

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Solution

The fourth proportional to 738,051.90, 1,107,077.85 and 509,729.10 is: 764,593.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,051.90 : 1,107,077.85 = 509,729.10 : x
  2. Step 2: Convert to fraction form
    738,051.90/1,107,077.85 = 509,729.10/x
  3. Step 3: Cross multiply
    738,051.90x = 1,107,077.85 × 509,729.10
  4. Step 4: Simplify right side
    738,051.90x = 564,309,796,110.44
  5. Step 5: Solve for x
    x = 564,309,796,110.44/738,051.90
  6. Step 6: Final answer
    x = 764,593.65

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.