Home / 769,103.76-1,061,384.60-424,961.87

Finding the Fourth Proportional to 769,103.76, 1,061,384.60 and 424,961.87

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Solution

The fourth proportional to 769,103.76, 1,061,384.60 and 424,961.87 is: 586,459.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,103.76 : 1,061,384.60 = 424,961.87 : x
  2. Step 2: Convert to fraction form
    769,103.76/1,061,384.60 = 424,961.87/x
  3. Step 3: Cross multiply
    769,103.76x = 1,061,384.60 × 424,961.87
  4. Step 4: Simplify right side
    769,103.76x = 451,047,976,973.47
  5. Step 5: Solve for x
    x = 451,047,976,973.47/769,103.76
  6. Step 6: Final answer
    x = 586,459.20

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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.