Home / 804,898.40-1,206,910.20-272,145.20

Finding the Fourth Proportional to 804,898.40, 1,206,910.20 and 272,145.20

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Solution

The fourth proportional to 804,898.40, 1,206,910.20 and 272,145.20 is: 408,069.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,898.40 : 1,206,910.20 = 272,145.20 : x
  2. Step 2: Convert to fraction form
    804,898.40/1,206,910.20 = 272,145.20/x
  3. Step 3: Cross multiply
    804,898.40x = 1,206,910.20 × 272,145.20
  4. Step 4: Simplify right side
    804,898.40x = 328,454,817,761.04
  5. Step 5: Solve for x
    x = 328,454,817,761.04/804,898.40
  6. Step 6: Final answer
    x = 408,069.91

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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.