Home / 748,168.92-1,032,443.28-421,474.32

Finding the Fourth Proportional to 748,168.92, 1,032,443.28 and 421,474.32

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Solution

The fourth proportional to 748,168.92, 1,032,443.28 and 421,474.32 is: 581,617.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,168.92 : 1,032,443.28 = 421,474.32 : x
  2. Step 2: Convert to fraction form
    748,168.92/1,032,443.28 = 421,474.32/x
  3. Step 3: Cross multiply
    748,168.92x = 1,032,443.28 × 421,474.32
  4. Step 4: Simplify right side
    748,168.92x = 435,148,329,376.57
  5. Step 5: Solve for x
    x = 435,148,329,376.57/748,168.92
  6. Step 6: Final answer
    x = 581,617.76

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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.