Home / 802,760.32-1,204,862.40-429,102.72

Finding the Fourth Proportional to 802,760.32, 1,204,862.40 and 429,102.72

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Solution

The fourth proportional to 802,760.32, 1,204,862.40 and 429,102.72 is: 644,039.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,760.32 : 1,204,862.40 = 429,102.72 : x
  2. Step 2: Convert to fraction form
    802,760.32/1,204,862.40 = 429,102.72/x
  3. Step 3: Cross multiply
    802,760.32x = 1,204,862.40 × 429,102.72
  4. Step 4: Simplify right side
    802,760.32x = 517,009,733,065.73
  5. Step 5: Solve for x
    x = 517,009,733,065.73/802,760.32
  6. Step 6: Final answer
    x = 644,039.97

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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.