Home / 791,815-1,092,707.70-429,239.56

Finding the Fourth Proportional to 791,815, 1,092,707.70 and 429,239.56

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Solution

The fourth proportional to 791,815, 1,092,707.70 and 429,239.56 is: 592,352.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,815 : 1,092,707.70 = 429,239.56 : x
  2. Step 2: Convert to fraction form
    791,815/1,092,707.70 = 429,239.56/x
  3. Step 3: Cross multiply
    791,815x = 1,092,707.70 × 429,239.56
  4. Step 4: Simplify right side
    791,815x = 469,033,372,356.61
  5. Step 5: Solve for x
    x = 469,033,372,356.61/791,815
  6. Step 6: Final answer
    x = 592,352.22

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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.