Home / 418,002.57-576,879.12-236,746.75

Finding the Fourth Proportional to 418,002.57, 576,879.12 and 236,746.75

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Solution

The fourth proportional to 418,002.57, 576,879.12 and 236,746.75 is: 326,730.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,002.57 : 576,879.12 = 236,746.75 : x
  2. Step 2: Convert to fraction form
    418,002.57/576,879.12 = 236,746.75/x
  3. Step 3: Cross multiply
    418,002.57x = 576,879.12 × 236,746.75
  4. Step 4: Simplify right side
    418,002.57x = 136,574,253,918.46
  5. Step 5: Solve for x
    x = 136,574,253,918.46/418,002.57
  6. Step 6: Final answer
    x = 326,730.66

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1.5x scale

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.