Home / 748,780.88-1,033,317.36-426,520.72

Finding the Fourth Proportional to 748,780.88, 1,033,317.36 and 426,520.72

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Solution

The fourth proportional to 748,780.88, 1,033,317.36 and 426,520.72 is: 588,598.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,780.88 : 1,033,317.36 = 426,520.72 : x
  2. Step 2: Convert to fraction form
    748,780.88/1,033,317.36 = 426,520.72/x
  3. Step 3: Cross multiply
    748,780.88x = 1,033,317.36 × 426,520.72
  4. Step 4: Simplify right side
    748,780.88x = 440,731,264,375.70
  5. Step 5: Solve for x
    x = 440,731,264,375.70/748,780.88
  6. Step 6: Final answer
    x = 588,598.45

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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.