Home / 748,459.89-1,032,874.62-408,930.57

Finding the Fourth Proportional to 748,459.89, 1,032,874.62 and 408,930.57

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Solution

The fourth proportional to 748,459.89, 1,032,874.62 and 408,930.57 is: 564,324.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,459.89 : 1,032,874.62 = 408,930.57 : x
  2. Step 2: Convert to fraction form
    748,459.89/1,032,874.62 = 408,930.57/x
  3. Step 3: Cross multiply
    748,459.89x = 1,032,874.62 × 408,930.57
  4. Step 4: Simplify right side
    748,459.89x = 422,374,007,095.13
  5. Step 5: Solve for x
    x = 422,374,007,095.13/748,459.89
  6. Step 6: Final answer
    x = 564,324.17

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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.