Home / 738,000.10-1,107,259.35-317,404.90

Finding the Fourth Proportional to 738,000.10, 1,107,259.35 and 317,404.90

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Solution

The fourth proportional to 738,000.10, 1,107,259.35 and 317,404.90 is: 476,218.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,000.10 : 1,107,259.35 = 317,404.90 : x
  2. Step 2: Convert to fraction form
    738,000.10/1,107,259.35 = 317,404.90/x
  3. Step 3: Cross multiply
    738,000.10x = 1,107,259.35 × 317,404.90
  4. Step 4: Simplify right side
    738,000.10x = 351,449,543,260.82
  5. Step 5: Solve for x
    x = 351,449,543,260.82/738,000.10
  6. Step 6: Final answer
    x = 476,218.83

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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.