Home / 860,733.44-1,187,717.28-498,086.72

Finding the Fourth Proportional to 860,733.44, 1,187,717.28 and 498,086.72

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Solution

The fourth proportional to 860,733.44, 1,187,717.28 and 498,086.72 is: 687,304.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,733.44 : 1,187,717.28 = 498,086.72 : x
  2. Step 2: Convert to fraction form
    860,733.44/1,187,717.28 = 498,086.72/x
  3. Step 3: Cross multiply
    860,733.44x = 1,187,717.28 × 498,086.72
  4. Step 4: Simplify right side
    860,733.44x = 591,586,204,282.52
  5. Step 5: Solve for x
    x = 591,586,204,282.52/860,733.44
  6. Step 6: Final answer
    x = 687,304.78

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1.5x scale

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.