Home / 658,656.77-908,923.07-372,170.71

Finding the Fourth Proportional to 658,656.77, 908,923.07 and 372,170.71

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Solution

The fourth proportional to 658,656.77, 908,923.07 and 372,170.71 is: 513,582.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,656.77 : 908,923.07 = 372,170.71 : x
  2. Step 2: Convert to fraction form
    658,656.77/908,923.07 = 372,170.71/x
  3. Step 3: Cross multiply
    658,656.77x = 908,923.07 × 372,170.71
  4. Step 4: Simplify right side
    658,656.77x = 338,274,537,891.81
  5. Step 5: Solve for x
    x = 338,274,537,891.81/658,656.77
  6. Step 6: Final answer
    x = 513,582.42

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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.