Home / 738,530.10-1,108,232.55-538,346.70

Finding the Fourth Proportional to 738,530.10, 1,108,232.55 and 538,346.70

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Solution

The fourth proportional to 738,530.10, 1,108,232.55 and 538,346.70 is: 807,838.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,530.10 : 1,108,232.55 = 538,346.70 : x
  2. Step 2: Convert to fraction form
    738,530.10/1,108,232.55 = 538,346.70/x
  3. Step 3: Cross multiply
    738,530.10x = 1,108,232.55 × 538,346.70
  4. Step 4: Simplify right side
    738,530.10x = 596,613,336,125.09
  5. Step 5: Solve for x
    x = 596,613,336,125.09/738,530.10
  6. Step 6: Final answer
    x = 807,838.89

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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.