Home / 887,520.48-1,331,275.86-355,164.72

Finding the Fourth Proportional to 887,520.48, 1,331,275.86 and 355,164.72

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Solution

The fourth proportional to 887,520.48, 1,331,275.86 and 355,164.72 is: 532,745.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,520.48 : 1,331,275.86 = 355,164.72 : x
  2. Step 2: Convert to fraction form
    887,520.48/1,331,275.86 = 355,164.72/x
  3. Step 3: Cross multiply
    887,520.48x = 1,331,275.86 × 355,164.72
  4. Step 4: Simplify right side
    887,520.48x = 472,822,218,059.66
  5. Step 5: Solve for x
    x = 472,822,218,059.66/887,520.48
  6. Step 6: Final answer
    x = 532,745.14

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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.