Home / 748,121.97-1,032,406.65-408,590.22

Finding the Fourth Proportional to 748,121.97, 1,032,406.65 and 408,590.22

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Solution

The fourth proportional to 748,121.97, 1,032,406.65 and 408,590.22 is: 563,853.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,121.97 : 1,032,406.65 = 408,590.22 : x
  2. Step 2: Convert to fraction form
    748,121.97/1,032,406.65 = 408,590.22/x
  3. Step 3: Cross multiply
    748,121.97x = 1,032,406.65 × 408,590.22
  4. Step 4: Simplify right side
    748,121.97x = 421,831,260,252.96
  5. Step 5: Solve for x
    x = 421,831,260,252.96/748,121.97
  6. Step 6: Final answer
    x = 563,853.59

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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.