Home / 610,637.16-842,780.18-338,792.64

Finding the Fourth Proportional to 610,637.16, 842,780.18 and 338,792.64

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Solution

The fourth proportional to 610,637.16, 842,780.18 and 338,792.64 is: 467,589.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,637.16 : 842,780.18 = 338,792.64 : x
  2. Step 2: Convert to fraction form
    610,637.16/842,780.18 = 338,792.64/x
  3. Step 3: Cross multiply
    610,637.16x = 842,780.18 × 338,792.64
  4. Step 4: Simplify right side
    610,637.16x = 285,527,722,121.88
  5. Step 5: Solve for x
    x = 285,527,722,121.88/610,637.16
  6. Step 6: Final answer
    x = 467,589.82

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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.