Home / 804,625.80-1,206,938.70-243,660.30

Finding the Fourth Proportional to 804,625.80, 1,206,938.70 and 243,660.30

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Solution

The fourth proportional to 804,625.80, 1,206,938.70 and 243,660.30 is: 365,490.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,625.80 : 1,206,938.70 = 243,660.30 : x
  2. Step 2: Convert to fraction form
    804,625.80/1,206,938.70 = 243,660.30/x
  3. Step 3: Cross multiply
    804,625.80x = 1,206,938.70 × 243,660.30
  4. Step 4: Simplify right side
    804,625.80x = 294,083,045,723.61
  5. Step 5: Solve for x
    x = 294,083,045,723.61/804,625.80
  6. Step 6: Final answer
    x = 365,490.45

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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.