Home / 804,340.12-1,206,242.27-324,443.98

Finding the Fourth Proportional to 804,340.12, 1,206,242.27 and 324,443.98

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Solution

The fourth proportional to 804,340.12, 1,206,242.27 and 324,443.98 is: 486,557.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,340.12 : 1,206,242.27 = 324,443.98 : x
  2. Step 2: Convert to fraction form
    804,340.12/1,206,242.27 = 324,443.98/x
  3. Step 3: Cross multiply
    804,340.12x = 1,206,242.27 × 324,443.98
  4. Step 4: Simplify right side
    804,340.12x = 391,358,038,285.21
  5. Step 5: Solve for x
    x = 391,358,038,285.21/804,340.12
  6. Step 6: Final answer
    x = 486,557.90

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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.