Home / 927,412.59-1,391,186.51-287,635.10

Finding the Fourth Proportional to 927,412.59, 1,391,186.51 and 287,635.10

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Solution

The fourth proportional to 927,412.59, 1,391,186.51 and 287,635.10 is: 431,473.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,412.59 : 1,391,186.51 = 287,635.10 : x
  2. Step 2: Convert to fraction form
    927,412.59/1,391,186.51 = 287,635.10/x
  3. Step 3: Cross multiply
    927,412.59x = 1,391,186.51 × 287,635.10
  4. Step 4: Simplify right side
    927,412.59x = 400,154,068,163.62
  5. Step 5: Solve for x
    x = 400,154,068,163.62/927,412.59
  6. Step 6: Final answer
    x = 431,473.62

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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.