Home / 728,352-1,092,722.40-229,716

Finding the Fourth Proportional to 728,352, 1,092,722.40 and 229,716

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Solution

The fourth proportional to 728,352, 1,092,722.40 and 229,716 is: 344,635.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,352 : 1,092,722.40 = 229,716 : x
  2. Step 2: Convert to fraction form
    728,352/1,092,722.40 = 229,716/x
  3. Step 3: Cross multiply
    728,352x = 1,092,722.40 × 229,716
  4. Step 4: Simplify right side
    728,352x = 251,015,818,838.40
  5. Step 5: Solve for x
    x = 251,015,818,838.40/728,352
  6. Step 6: Final answer
    x = 344,635.31

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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.