Home / 729,025.80-1,006,008.30-402,341.73

Finding the Fourth Proportional to 729,025.80, 1,006,008.30 and 402,341.73

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Solution

The fourth proportional to 729,025.80, 1,006,008.30 and 402,341.73 is: 555,205.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,025.80 : 1,006,008.30 = 402,341.73 : x
  2. Step 2: Convert to fraction form
    729,025.80/1,006,008.30 = 402,341.73/x
  3. Step 3: Cross multiply
    729,025.80x = 1,006,008.30 × 402,341.73
  4. Step 4: Simplify right side
    729,025.80x = 404,759,119,816.36
  5. Step 5: Solve for x
    x = 404,759,119,816.36/729,025.80
  6. Step 6: Final answer
    x = 555,205.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.