Home / 438,600.27-658,162.84-402,908.43

Finding the Fourth Proportional to 438,600.27, 658,162.84 and 402,908.43

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Solution

The fourth proportional to 438,600.27, 658,162.84 and 402,908.43 is: 604,603.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,600.27 : 658,162.84 = 402,908.43 : x
  2. Step 2: Convert to fraction form
    438,600.27/658,162.84 = 402,908.43/x
  3. Step 3: Cross multiply
    438,600.27x = 658,162.84 × 402,908.43
  4. Step 4: Simplify right side
    438,600.27x = 265,179,353,073.36
  5. Step 5: Solve for x
    x = 265,179,353,073.36/438,600.27
  6. Step 6: Final answer
    x = 604,603.72

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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.