Home / 748,380.88-1,032,813.18-426,119.12

Finding the Fourth Proportional to 748,380.88, 1,032,813.18 and 426,119.12

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Solution

The fourth proportional to 748,380.88, 1,032,813.18 and 426,119.12 is: 588,071.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,380.88 : 1,032,813.18 = 426,119.12 : x
  2. Step 2: Convert to fraction form
    748,380.88/1,032,813.18 = 426,119.12/x
  3. Step 3: Cross multiply
    748,380.88x = 1,032,813.18 × 426,119.12
  4. Step 4: Simplify right side
    748,380.88x = 440,101,443,386.00
  5. Step 5: Solve for x
    x = 440,101,443,386.00/748,380.88
  6. Step 6: Final answer
    x = 588,071.47

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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.