Home / 717,998.08-991,006.20-446,271.20

Finding the Fourth Proportional to 717,998.08, 991,006.20 and 446,271.20

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Solution

The fourth proportional to 717,998.08, 991,006.20 and 446,271.20 is: 615,959.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,998.08 : 991,006.20 = 446,271.20 : x
  2. Step 2: Convert to fraction form
    717,998.08/991,006.20 = 446,271.20/x
  3. Step 3: Cross multiply
    717,998.08x = 991,006.20 × 446,271.20
  4. Step 4: Simplify right side
    717,998.08x = 442,257,526,081.44
  5. Step 5: Solve for x
    x = 442,257,526,081.44/717,998.08
  6. Step 6: Final answer
    x = 615,959.20

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1.5x scale

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.