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Finding the Fourth Proportional to 887,726.52, 1,224,718.38 and 565,378.92

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Solution

The fourth proportional to 887,726.52, 1,224,718.38 and 565,378.92 is: 780,003.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,726.52 : 1,224,718.38 = 565,378.92 : x
  2. Step 2: Convert to fraction form
    887,726.52/1,224,718.38 = 565,378.92/x
  3. Step 3: Cross multiply
    887,726.52x = 1,224,718.38 × 565,378.92
  4. Step 4: Simplify right side
    887,726.52x = 692,429,954,988.55
  5. Step 5: Solve for x
    x = 692,429,954,988.55/887,726.52
  6. Step 6: Final answer
    x = 780,003.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.