Home / 688,513.60-1,032,770.40-267,516.10

Finding the Fourth Proportional to 688,513.60, 1,032,770.40 and 267,516.10

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Solution

The fourth proportional to 688,513.60, 1,032,770.40 and 267,516.10 is: 401,274.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,513.60 : 1,032,770.40 = 267,516.10 : x
  2. Step 2: Convert to fraction form
    688,513.60/1,032,770.40 = 267,516.10/x
  3. Step 3: Cross multiply
    688,513.60x = 1,032,770.40 × 267,516.10
  4. Step 4: Simplify right side
    688,513.60x = 276,282,709,603.44
  5. Step 5: Solve for x
    x = 276,282,709,603.44/688,513.60
  6. Step 6: Final answer
    x = 401,274.15

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Similar ratio
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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.