Home / 688,244.22-1,032,704.19-309,432.24

Finding the Fourth Proportional to 688,244.22, 1,032,704.19 and 309,432.24

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Solution

The fourth proportional to 688,244.22, 1,032,704.19 and 309,432.24 is: 464,300.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,244.22 : 1,032,704.19 = 309,432.24 : x
  2. Step 2: Convert to fraction form
    688,244.22/1,032,704.19 = 309,432.24/x
  3. Step 3: Cross multiply
    688,244.22x = 1,032,704.19 × 309,432.24
  4. Step 4: Simplify right side
    688,244.22x = 319,551,970,769.09
  5. Step 5: Solve for x
    x = 319,551,970,769.09/688,244.22
  6. Step 6: Final answer
    x = 464,300.26

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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.