Home / 579,008.08-872,456.38-476,131.60

Finding the Fourth Proportional to 579,008.08, 872,456.38 and 476,131.60

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Solution

The fourth proportional to 579,008.08, 872,456.38 and 476,131.60 is: 717,440.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,008.08 : 872,456.38 = 476,131.60 : x
  2. Step 2: Convert to fraction form
    579,008.08/872,456.38 = 476,131.60/x
  3. Step 3: Cross multiply
    579,008.08x = 872,456.38 × 476,131.60
  4. Step 4: Simplify right side
    579,008.08x = 415,404,052,139.61
  5. Step 5: Solve for x
    x = 415,404,052,139.61/579,008.08
  6. Step 6: Final answer
    x = 717,440.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.