Home / 887,727.52-1,224,719.76-565,379.92

Finding the Fourth Proportional to 887,727.52, 1,224,719.76 and 565,379.92

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Solution

The fourth proportional to 887,727.52, 1,224,719.76 and 565,379.92 is: 780,005.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,727.52 : 1,224,719.76 = 565,379.92 : x
  2. Step 2: Convert to fraction form
    887,727.52/1,224,719.76 = 565,379.92/x
  3. Step 3: Cross multiply
    887,727.52x = 1,224,719.76 × 565,379.92
  4. Step 4: Simplify right side
    887,727.52x = 692,431,959,931.22
  5. Step 5: Solve for x
    x = 692,431,959,931.22/887,727.52
  6. Step 6: Final answer
    x = 780,005.06

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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.