Home / 516,986.20-773,729.70-454,000.60

Finding the Fourth Proportional to 516,986.20, 773,729.70 and 454,000.60

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Solution

The fourth proportional to 516,986.20, 773,729.70 and 454,000.60 is: 679,464.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,986.20 : 773,729.70 = 454,000.60 : x
  2. Step 2: Convert to fraction form
    516,986.20/773,729.70 = 454,000.60/x
  3. Step 3: Cross multiply
    516,986.20x = 773,729.70 × 454,000.60
  4. Step 4: Simplify right side
    516,986.20x = 351,273,748,037.82
  5. Step 5: Solve for x
    x = 351,273,748,037.82/516,986.20
  6. Step 6: Final answer
    x = 679,464.46

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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.