Home / 748,781.76-1,033,199.37-426,498.15

Finding the Fourth Proportional to 748,781.76, 1,033,199.37 and 426,498.15

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Solution

The fourth proportional to 748,781.76, 1,033,199.37 and 426,498.15 is: 588,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,781.76 : 1,033,199.37 = 426,498.15 : x
  2. Step 2: Convert to fraction form
    748,781.76/1,033,199.37 = 426,498.15/x
  3. Step 3: Cross multiply
    748,781.76x = 1,033,199.37 × 426,498.15
  4. Step 4: Simplify right side
    748,781.76x = 440,657,619,886.17
  5. Step 5: Solve for x
    x = 440,657,619,886.17/748,781.76
  6. Step 6: Final answer
    x = 588,499.40

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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.