Home / 729,100.74-1,006,167.88-423,247.98

Finding the Fourth Proportional to 729,100.74, 1,006,167.88 and 423,247.98

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Solution

The fourth proportional to 729,100.74, 1,006,167.88 and 423,247.98 is: 584,087.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,100.74 : 1,006,167.88 = 423,247.98 : x
  2. Step 2: Convert to fraction form
    729,100.74/1,006,167.88 = 423,247.98/x
  3. Step 3: Cross multiply
    729,100.74x = 1,006,167.88 × 423,247.98
  4. Step 4: Simplify right side
    729,100.74x = 425,858,522,750.88
  5. Step 5: Solve for x
    x = 425,858,522,750.88/729,100.74
  6. Step 6: Final answer
    x = 584,087.35

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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.