Home / 498,738.52-688,263.56-283,892.40

Finding the Fourth Proportional to 498,738.52, 688,263.56 and 283,892.40

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Solution

The fourth proportional to 498,738.52, 688,263.56 and 283,892.40 is: 391,774.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,738.52 : 688,263.56 = 283,892.40 : x
  2. Step 2: Convert to fraction form
    498,738.52/688,263.56 = 283,892.40/x
  3. Step 3: Cross multiply
    498,738.52x = 688,263.56 × 283,892.40
  4. Step 4: Simplify right side
    498,738.52x = 195,392,793,880.94
  5. Step 5: Solve for x
    x = 195,392,793,880.94/498,738.52
  6. Step 6: Final answer
    x = 391,774.02

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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.