Home / 804,928.30-1,206,010.05-425,286.70

Finding the Fourth Proportional to 804,928.30, 1,206,010.05 and 425,286.70

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Solution

The fourth proportional to 804,928.30, 1,206,010.05 and 425,286.70 is: 637,199.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,928.30 : 1,206,010.05 = 425,286.70 : x
  2. Step 2: Convert to fraction form
    804,928.30/1,206,010.05 = 425,286.70/x
  3. Step 3: Cross multiply
    804,928.30x = 1,206,010.05 × 425,286.70
  4. Step 4: Simplify right side
    804,928.30x = 512,900,034,331.34
  5. Step 5: Solve for x
    x = 512,900,034,331.34/804,928.30
  6. Step 6: Final answer
    x = 637,199.65

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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.