Home / 688,630.20-1,032,945.30-476,053.80

Finding the Fourth Proportional to 688,630.20, 1,032,945.30 and 476,053.80

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Solution

The fourth proportional to 688,630.20, 1,032,945.30 and 476,053.80 is: 714,080.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,630.20 : 1,032,945.30 = 476,053.80 : x
  2. Step 2: Convert to fraction form
    688,630.20/1,032,945.30 = 476,053.80/x
  3. Step 3: Cross multiply
    688,630.20x = 1,032,945.30 × 476,053.80
  4. Step 4: Simplify right side
    688,630.20x = 491,737,535,257.14
  5. Step 5: Solve for x
    x = 491,737,535,257.14/688,630.20
  6. Step 6: Final answer
    x = 714,080.70

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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.