Home / 804,980.30-1,207,470.45-243,941.90

Finding the Fourth Proportional to 804,980.30, 1,207,470.45 and 243,941.90

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Solution

The fourth proportional to 804,980.30, 1,207,470.45 and 243,941.90 is: 365,912.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,980.30 : 1,207,470.45 = 243,941.90 : x
  2. Step 2: Convert to fraction form
    804,980.30/1,207,470.45 = 243,941.90/x
  3. Step 3: Cross multiply
    804,980.30x = 1,207,470.45 × 243,941.90
  4. Step 4: Simplify right side
    804,980.30x = 294,552,635,766.86
  5. Step 5: Solve for x
    x = 294,552,635,766.86/804,980.30
  6. Step 6: Final answer
    x = 365,912.85

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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.