Home / 688,370.80-1,032,155.24-267,154.64

Finding the Fourth Proportional to 688,370.80, 1,032,155.24 and 267,154.64

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Solution

The fourth proportional to 688,370.80, 1,032,155.24 and 267,154.64 is: 400,576.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,370.80 : 1,032,155.24 = 267,154.64 : x
  2. Step 2: Convert to fraction form
    688,370.80/1,032,155.24 = 267,154.64/x
  3. Step 3: Cross multiply
    688,370.80x = 1,032,155.24 × 267,154.64
  4. Step 4: Simplify right side
    688,370.80x = 275,745,061,566.31
  5. Step 5: Solve for x
    x = 275,745,061,566.31/688,370.80
  6. Step 6: Final answer
    x = 400,576.35

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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.