Home / 487,956.20-731,934.30-410,973.80

Finding the Fourth Proportional to 487,956.20, 731,934.30 and 410,973.80

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Solution

The fourth proportional to 487,956.20, 731,934.30 and 410,973.80 is: 616,460.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,956.20 : 731,934.30 = 410,973.80 : x
  2. Step 2: Convert to fraction form
    487,956.20/731,934.30 = 410,973.80/x
  3. Step 3: Cross multiply
    487,956.20x = 731,934.30 × 410,973.80
  4. Step 4: Simplify right side
    487,956.20x = 300,805,820,621.34
  5. Step 5: Solve for x
    x = 300,805,820,621.34/487,956.20
  6. Step 6: Final answer
    x = 616,460.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.