Home / 804,957.40-1,207,436.10-604,190.80

Finding the Fourth Proportional to 804,957.40, 1,207,436.10 and 604,190.80

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Solution

The fourth proportional to 804,957.40, 1,207,436.10 and 604,190.80 is: 906,286.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,957.40 : 1,207,436.10 = 604,190.80 : x
  2. Step 2: Convert to fraction form
    804,957.40/1,207,436.10 = 604,190.80/x
  3. Step 3: Cross multiply
    804,957.40x = 1,207,436.10 × 604,190.80
  4. Step 4: Simplify right side
    804,957.40x = 729,521,783,207.88
  5. Step 5: Solve for x
    x = 729,521,783,207.88/804,957.40
  6. Step 6: Final answer
    x = 906,286.20

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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.