Home / 794,502.20-1,191,753.30-421,254.20

Finding the Fourth Proportional to 794,502.20, 1,191,753.30 and 421,254.20

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Solution

The fourth proportional to 794,502.20, 1,191,753.30 and 421,254.20 is: 631,881.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,502.20 : 1,191,753.30 = 421,254.20 : x
  2. Step 2: Convert to fraction form
    794,502.20/1,191,753.30 = 421,254.20/x
  3. Step 3: Cross multiply
    794,502.20x = 1,191,753.30 × 421,254.20
  4. Step 4: Simplify right side
    794,502.20x = 502,031,082,988.86
  5. Step 5: Solve for x
    x = 502,031,082,988.86/794,502.20
  6. Step 6: Final answer
    x = 631,881.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.