Home / 688,510.80-1,032,766.20-635,366.70

Finding the Fourth Proportional to 688,510.80, 1,032,766.20 and 635,366.70

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Solution

The fourth proportional to 688,510.80, 1,032,766.20 and 635,366.70 is: 953,050.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,510.80 : 1,032,766.20 = 635,366.70 : x
  2. Step 2: Convert to fraction form
    688,510.80/1,032,766.20 = 635,366.70/x
  3. Step 3: Cross multiply
    688,510.80x = 1,032,766.20 × 635,366.70
  4. Step 4: Simplify right side
    688,510.80x = 656,185,252,365.54
  5. Step 5: Solve for x
    x = 656,185,252,365.54/688,510.80
  6. Step 6: Final answer
    x = 953,050.05

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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.