Home / 738,545.14-1,107,374.64-338,685.04

Finding the Fourth Proportional to 738,545.14, 1,107,374.64 and 338,685.04

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Solution

The fourth proportional to 738,545.14, 1,107,374.64 and 338,685.04 is: 507,824.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,545.14 : 1,107,374.64 = 338,685.04 : x
  2. Step 2: Convert to fraction form
    738,545.14/1,107,374.64 = 338,685.04/x
  3. Step 3: Cross multiply
    738,545.14x = 1,107,374.64 × 338,685.04
  4. Step 4: Simplify right side
    738,545.14x = 375,051,224,243.39
  5. Step 5: Solve for x
    x = 375,051,224,243.39/738,545.14
  6. Step 6: Final answer
    x = 507,824.38

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Double scale
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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.