Home / 676,746.85-933,910.89-370,820.76

Finding the Fourth Proportional to 676,746.85, 933,910.89 and 370,820.76

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Solution

The fourth proportional to 676,746.85, 933,910.89 and 370,820.76 is: 511,732.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,746.85 : 933,910.89 = 370,820.76 : x
  2. Step 2: Convert to fraction form
    676,746.85/933,910.89 = 370,820.76/x
  3. Step 3: Cross multiply
    676,746.85x = 933,910.89 × 370,820.76
  4. Step 4: Simplify right side
    676,746.85x = 346,313,546,002.08
  5. Step 5: Solve for x
    x = 346,313,546,002.08/676,746.85
  6. Step 6: Final answer
    x = 511,732.78

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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.