Home / 688,654.85-1,032,982.28-615,171.65

Finding the Fourth Proportional to 688,654.85, 1,032,982.28 and 615,171.65

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Solution

The fourth proportional to 688,654.85, 1,032,982.28 and 615,171.65 is: 922,757.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,654.85 : 1,032,982.28 = 615,171.65 : x
  2. Step 2: Convert to fraction form
    688,654.85/1,032,982.28 = 615,171.65/x
  3. Step 3: Cross multiply
    688,654.85x = 1,032,982.28 × 615,171.65
  4. Step 4: Simplify right side
    688,654.85x = 635,461,410,532.50
  5. Step 5: Solve for x
    x = 635,461,410,532.50/688,654.85
  6. Step 6: Final answer
    x = 922,757.48

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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.