Home / 748,050.12-1,032,294.78-408,520.80

Finding the Fourth Proportional to 748,050.12, 1,032,294.78 and 408,520.80

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Solution

The fourth proportional to 748,050.12, 1,032,294.78 and 408,520.80 is: 563,750.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,050.12 : 1,032,294.78 = 408,520.80 : x
  2. Step 2: Convert to fraction form
    748,050.12/1,032,294.78 = 408,520.80/x
  3. Step 3: Cross multiply
    748,050.12x = 1,032,294.78 × 408,520.80
  4. Step 4: Simplify right side
    748,050.12x = 421,713,889,361.42
  5. Step 5: Solve for x
    x = 421,713,889,361.42/748,050.12
  6. Step 6: Final answer
    x = 563,750.85

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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.