Home / 860,897.92-1,187,718.24-538,485.52

Finding the Fourth Proportional to 860,897.92, 1,187,718.24 and 538,485.52

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Solution

The fourth proportional to 860,897.92, 1,187,718.24 and 538,485.52 is: 742,909.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,897.92 : 1,187,718.24 = 538,485.52 : x
  2. Step 2: Convert to fraction form
    860,897.92/1,187,718.24 = 538,485.52/x
  3. Step 3: Cross multiply
    860,897.92x = 1,187,718.24 × 538,485.52
  4. Step 4: Simplify right side
    860,897.92x = 639,569,074,079.89
  5. Step 5: Solve for x
    x = 639,569,074,079.89/860,897.92
  6. Step 6: Final answer
    x = 742,909.30

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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.