Home / 688,780.80-1,033,513.92-461,229.12

Finding the Fourth Proportional to 688,780.80, 1,033,513.92 and 461,229.12

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Solution

The fourth proportional to 688,780.80, 1,033,513.92 and 461,229.12 is: 692,073.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,780.80 : 1,033,513.92 = 461,229.12 : x
  2. Step 2: Convert to fraction form
    688,780.80/1,033,513.92 = 461,229.12/x
  3. Step 3: Cross multiply
    688,780.80x = 1,033,513.92 × 461,229.12
  4. Step 4: Simplify right side
    688,780.80x = 476,686,715,829.35
  5. Step 5: Solve for x
    x = 476,686,715,829.35/688,780.80
  6. Step 6: Final answer
    x = 692,073.18

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1.5x scale

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.