Home / 829,615.92-1,245,165.60-425,084.10

Finding the Fourth Proportional to 829,615.92, 1,245,165.60 and 425,084.10

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Solution

The fourth proportional to 829,615.92, 1,245,165.60 and 425,084.10 is: 638,006.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,615.92 : 1,245,165.60 = 425,084.10 : x
  2. Step 2: Convert to fraction form
    829,615.92/1,245,165.60 = 425,084.10/x
  3. Step 3: Cross multiply
    829,615.92x = 1,245,165.60 × 425,084.10
  4. Step 4: Simplify right side
    829,615.92x = 529,300,098,426.96
  5. Step 5: Solve for x
    x = 529,300,098,426.96/829,615.92
  6. Step 6: Final answer
    x = 638,006.20

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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.