Home / 515,701.10-773,551.65-486,176.60

Finding the Fourth Proportional to 515,701.10, 773,551.65 and 486,176.60

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Solution

The fourth proportional to 515,701.10, 773,551.65 and 486,176.60 is: 729,264.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,701.10 : 773,551.65 = 486,176.60 : x
  2. Step 2: Convert to fraction form
    515,701.10/773,551.65 = 486,176.60/x
  3. Step 3: Cross multiply
    515,701.10x = 773,551.65 × 486,176.60
  4. Step 4: Simplify right side
    515,701.10x = 376,082,711,121.39
  5. Step 5: Solve for x
    x = 376,082,711,121.39/515,701.10
  6. Step 6: Final answer
    x = 729,264.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.