Home / 887,177.55-1,328,433.53-649,231.95

Finding the Fourth Proportional to 887,177.55, 1,328,433.53 and 649,231.95

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Solution

The fourth proportional to 887,177.55, 1,328,433.53 and 649,231.95 is: 972,140.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,177.55 : 1,328,433.53 = 649,231.95 : x
  2. Step 2: Convert to fraction form
    887,177.55/1,328,433.53 = 649,231.95/x
  3. Step 3: Cross multiply
    887,177.55x = 1,328,433.53 × 649,231.95
  4. Step 4: Simplify right side
    887,177.55x = 862,461,487,881.12
  5. Step 5: Solve for x
    x = 862,461,487,881.12/887,177.55
  6. Step 6: Final answer
    x = 972,140.79

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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.