Home / 748,305.92-1,032,660.42-408,776.60

Finding the Fourth Proportional to 748,305.92, 1,032,660.42 and 408,776.60

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Solution

The fourth proportional to 748,305.92, 1,032,660.42 and 408,776.60 is: 564,110.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,305.92 : 1,032,660.42 = 408,776.60 : x
  2. Step 2: Convert to fraction form
    748,305.92/1,032,660.42 = 408,776.60/x
  3. Step 3: Cross multiply
    748,305.92x = 1,032,660.42 × 408,776.60
  4. Step 4: Simplify right side
    748,305.92x = 422,127,415,442.17
  5. Step 5: Solve for x
    x = 422,127,415,442.17/748,305.92
  6. Step 6: Final answer
    x = 564,110.75

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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.