Home / 910,042.20-1,255,849.92-502,147.80

Finding the Fourth Proportional to 910,042.20, 1,255,849.92 and 502,147.80

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Solution

The fourth proportional to 910,042.20, 1,255,849.92 and 502,147.80 is: 692,959.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,042.20 : 1,255,849.92 = 502,147.80 : x
  2. Step 2: Convert to fraction form
    910,042.20/1,255,849.92 = 502,147.80/x
  3. Step 3: Cross multiply
    910,042.20x = 1,255,849.92 × 502,147.80
  4. Step 4: Simplify right side
    910,042.20x = 630,622,274,458.18
  5. Step 5: Solve for x
    x = 630,622,274,458.18/910,042.20
  6. Step 6: Final answer
    x = 692,959.38

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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.