Home / 679,567.59-1,017,132.80-499,605.53

Finding the Fourth Proportional to 679,567.59, 1,017,132.80 and 499,605.53

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Solution

The fourth proportional to 679,567.59, 1,017,132.80 and 499,605.53 is: 747,777.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,567.59 : 1,017,132.80 = 499,605.53 : x
  2. Step 2: Convert to fraction form
    679,567.59/1,017,132.80 = 499,605.53/x
  3. Step 3: Cross multiply
    679,567.59x = 1,017,132.80 × 499,605.53
  4. Step 4: Simplify right side
    679,567.59x = 508,165,164,040.69
  5. Step 5: Solve for x
    x = 508,165,164,040.69/679,567.59
  6. Step 6: Final answer
    x = 747,777.22

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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.