Home / 804,348.12-1,109,490.30-494,114.88

Finding the Fourth Proportional to 804,348.12, 1,109,490.30 and 494,114.88

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Solution

The fourth proportional to 804,348.12, 1,109,490.30 and 494,114.88 is: 681,565.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,348.12 : 1,109,490.30 = 494,114.88 : x
  2. Step 2: Convert to fraction form
    804,348.12/1,109,490.30 = 494,114.88/x
  3. Step 3: Cross multiply
    804,348.12x = 1,109,490.30 × 494,114.88
  4. Step 4: Simplify right side
    804,348.12x = 548,215,666,445.66
  5. Step 5: Solve for x
    x = 548,215,666,445.66/804,348.12
  6. Step 6: Final answer
    x = 681,565.17

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Double scale
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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.