Home / 688,512.80-1,032,769.20-635,368.70

Finding the Fourth Proportional to 688,512.80, 1,032,769.20 and 635,368.70

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Solution

The fourth proportional to 688,512.80, 1,032,769.20 and 635,368.70 is: 953,053.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,512.80 : 1,032,769.20 = 635,368.70 : x
  2. Step 2: Convert to fraction form
    688,512.80/1,032,769.20 = 635,368.70/x
  3. Step 3: Cross multiply
    688,512.80x = 1,032,769.20 × 635,368.70
  4. Step 4: Simplify right side
    688,512.80x = 656,189,224,004.04
  5. Step 5: Solve for x
    x = 656,189,224,004.04/688,512.80
  6. Step 6: Final answer
    x = 953,053.05

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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.