Home / 927,847.71-1,280,428.97-519,952.77

Finding the Fourth Proportional to 927,847.71, 1,280,428.97 and 519,952.77

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Solution

The fourth proportional to 927,847.71, 1,280,428.97 and 519,952.77 is: 717,534.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,847.71 : 1,280,428.97 = 519,952.77 : x
  2. Step 2: Convert to fraction form
    927,847.71/1,280,428.97 = 519,952.77/x
  3. Step 3: Cross multiply
    927,847.71x = 1,280,428.97 × 519,952.77
  4. Step 4: Simplify right side
    927,847.71x = 665,762,587,139.98
  5. Step 5: Solve for x
    x = 665,762,587,139.98/927,847.71
  6. Step 6: Final answer
    x = 717,534.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.