Home / 748,284.89-1,032,631.54-408,753.14

Finding the Fourth Proportional to 748,284.89, 1,032,631.54 and 408,753.14

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Solution

The fourth proportional to 748,284.89, 1,032,631.54 and 408,753.14 is: 564,078.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,284.89 : 1,032,631.54 = 408,753.14 : x
  2. Step 2: Convert to fraction form
    748,284.89/1,032,631.54 = 408,753.14/x
  3. Step 3: Cross multiply
    748,284.89x = 1,032,631.54 × 408,753.14
  4. Step 4: Simplify right side
    748,284.89x = 422,091,378,253.00
  5. Step 5: Solve for x
    x = 422,091,378,253.00/748,284.89
  6. Step 6: Final answer
    x = 564,078.45

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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.