Home / 679,570.59-1,017,137.29-499,608.53

Finding the Fourth Proportional to 679,570.59, 1,017,137.29 and 499,608.53

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Solution

The fourth proportional to 679,570.59, 1,017,137.29 and 499,608.53 is: 747,781.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,570.59 : 1,017,137.29 = 499,608.53 : x
  2. Step 2: Convert to fraction form
    679,570.59/1,017,137.29 = 499,608.53/x
  3. Step 3: Cross multiply
    679,570.59x = 1,017,137.29 × 499,608.53
  4. Step 4: Simplify right side
    679,570.59x = 508,170,466,265.08
  5. Step 5: Solve for x
    x = 508,170,466,265.08/679,570.59
  6. Step 6: Final answer
    x = 747,781.72

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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.