Home / 519,821.58-779,760.18-164,863.92

Finding the Fourth Proportional to 519,821.58, 779,760.18 and 164,863.92

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Solution

The fourth proportional to 519,821.58, 779,760.18 and 164,863.92 is: 247,304.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,821.58 : 779,760.18 = 164,863.92 : x
  2. Step 2: Convert to fraction form
    519,821.58/779,760.18 = 164,863.92/x
  3. Step 3: Cross multiply
    519,821.58x = 779,760.18 × 164,863.92
  4. Step 4: Simplify right side
    519,821.58x = 128,554,319,934.71
  5. Step 5: Solve for x
    x = 128,554,319,934.71/519,821.58
  6. Step 6: Final answer
    x = 247,304.70

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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.