Home / 418,002.61-576,879.18-236,746.79

Finding the Fourth Proportional to 418,002.61, 576,879.18 and 236,746.79

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Solution

The fourth proportional to 418,002.61, 576,879.18 and 236,746.79 is: 326,730.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,002.61 : 576,879.18 = 236,746.79 : x
  2. Step 2: Convert to fraction form
    418,002.61/576,879.18 = 236,746.79/x
  3. Step 3: Cross multiply
    418,002.61x = 576,879.18 × 236,746.79
  4. Step 4: Simplify right side
    418,002.61x = 136,574,293,732.94
  5. Step 5: Solve for x
    x = 136,574,293,732.94/418,002.61
  6. Step 6: Final answer
    x = 326,730.72

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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.