Home / 729,027.30-1,006,010.37-402,343.23

Finding the Fourth Proportional to 729,027.30, 1,006,010.37 and 402,343.23

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Solution

The fourth proportional to 729,027.30, 1,006,010.37 and 402,343.23 is: 555,207.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,027.30 : 1,006,010.37 = 402,343.23 : x
  2. Step 2: Convert to fraction form
    729,027.30/1,006,010.37 = 402,343.23/x
  3. Step 3: Cross multiply
    729,027.30x = 1,006,010.37 × 402,343.23
  4. Step 4: Simplify right side
    729,027.30x = 404,761,461,679.30
  5. Step 5: Solve for x
    x = 404,761,461,679.30/729,027.30
  6. Step 6: Final answer
    x = 555,207.55

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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.