Home / 804,905.90-1,207,358.85-604,139.30

Finding the Fourth Proportional to 804,905.90, 1,207,358.85 and 604,139.30

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Solution

The fourth proportional to 804,905.90, 1,207,358.85 and 604,139.30 is: 906,208.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,905.90 : 1,207,358.85 = 604,139.30 : x
  2. Step 2: Convert to fraction form
    804,905.90/1,207,358.85 = 604,139.30/x
  3. Step 3: Cross multiply
    804,905.90x = 1,207,358.85 × 604,139.30
  4. Step 4: Simplify right side
    804,905.90x = 729,412,930,487.81
  5. Step 5: Solve for x
    x = 729,412,930,487.81/804,905.90
  6. Step 6: Final answer
    x = 906,208.95

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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.