Home / 804,666.30-1,206,999.45-243,700.80

Finding the Fourth Proportional to 804,666.30, 1,206,999.45 and 243,700.80

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Solution

The fourth proportional to 804,666.30, 1,206,999.45 and 243,700.80 is: 365,551.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,666.30 : 1,206,999.45 = 243,700.80 : x
  2. Step 2: Convert to fraction form
    804,666.30/1,206,999.45 = 243,700.80/x
  3. Step 3: Cross multiply
    804,666.30x = 1,206,999.45 × 243,700.80
  4. Step 4: Simplify right side
    804,666.30x = 294,146,731,564.56
  5. Step 5: Solve for x
    x = 294,146,731,564.56/804,666.30
  6. Step 6: Final answer
    x = 365,551.20

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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.