Home / 927,248.60-1,391,072.63-287,539.47

Finding the Fourth Proportional to 927,248.60, 1,391,072.63 and 287,539.47

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Solution

The fourth proportional to 927,248.60, 1,391,072.63 and 287,539.47 is: 431,371.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,248.60 : 1,391,072.63 = 287,539.47 : x
  2. Step 2: Convert to fraction form
    927,248.60/1,391,072.63 = 287,539.47/x
  3. Step 3: Cross multiply
    927,248.60x = 1,391,072.63 × 287,539.47
  4. Step 4: Simplify right side
    927,248.60x = 399,988,285,324.01
  5. Step 5: Solve for x
    x = 399,988,285,324.01/927,248.60
  6. Step 6: Final answer
    x = 431,371.14

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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.