Home / 698,625.48-964,205.27-392,727.06

Finding the Fourth Proportional to 698,625.48, 964,205.27 and 392,727.06

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Solution

The fourth proportional to 698,625.48, 964,205.27 and 392,727.06 is: 542,020.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,625.48 : 964,205.27 = 392,727.06 : x
  2. Step 2: Convert to fraction form
    698,625.48/964,205.27 = 392,727.06/x
  3. Step 3: Cross multiply
    698,625.48x = 964,205.27 × 392,727.06
  4. Step 4: Simplify right side
    698,625.48x = 378,669,500,923.61
  5. Step 5: Solve for x
    x = 378,669,500,923.61/698,625.48
  6. Step 6: Final answer
    x = 542,020.74

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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.