Home / 648,432.17-894,912.30-539,344.05

Finding the Fourth Proportional to 648,432.17, 894,912.30 and 539,344.05

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Solution

The fourth proportional to 648,432.17, 894,912.30 and 539,344.05 is: 744,357.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,432.17 : 894,912.30 = 539,344.05 : x
  2. Step 2: Convert to fraction form
    648,432.17/894,912.30 = 539,344.05/x
  3. Step 3: Cross multiply
    648,432.17x = 894,912.30 × 539,344.05
  4. Step 4: Simplify right side
    648,432.17x = 482,665,624,276.82
  5. Step 5: Solve for x
    x = 482,665,624,276.82/648,432.17
  6. Step 6: Final answer
    x = 744,357.92

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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.