Home / 804,912.30-1,207,368.45-243,873.90

Finding the Fourth Proportional to 804,912.30, 1,207,368.45 and 243,873.90

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Solution

The fourth proportional to 804,912.30, 1,207,368.45 and 243,873.90 is: 365,810.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,912.30 : 1,207,368.45 = 243,873.90 : x
  2. Step 2: Convert to fraction form
    804,912.30/1,207,368.45 = 243,873.90/x
  3. Step 3: Cross multiply
    804,912.30x = 1,207,368.45 × 243,873.90
  4. Step 4: Simplify right side
    804,912.30x = 294,445,652,638.46
  5. Step 5: Solve for x
    x = 294,445,652,638.46/804,912.30
  6. Step 6: Final answer
    x = 365,810.85

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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.