Home / 748,304.64-1,032,683.10-408,794.76

Finding the Fourth Proportional to 748,304.64, 1,032,683.10 and 408,794.76

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Solution

The fourth proportional to 748,304.64, 1,032,683.10 and 408,794.76 is: 564,149.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,304.64 : 1,032,683.10 = 408,794.76 : x
  2. Step 2: Convert to fraction form
    748,304.64/1,032,683.10 = 408,794.76/x
  3. Step 3: Cross multiply
    748,304.64x = 1,032,683.10 × 408,794.76
  4. Step 4: Simplify right side
    748,304.64x = 422,155,440,020.56
  5. Step 5: Solve for x
    x = 422,155,440,020.56/748,304.64
  6. Step 6: Final answer
    x = 564,149.17

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.