Home / 658,424.07-908,698.97-371,962.60

Finding the Fourth Proportional to 658,424.07, 908,698.97 and 371,962.60

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Solution

The fourth proportional to 658,424.07, 908,698.97 and 371,962.60 is: 513,350.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,424.07 : 908,698.97 = 371,962.60 : x
  2. Step 2: Convert to fraction form
    658,424.07/908,698.97 = 371,962.60/x
  3. Step 3: Cross multiply
    658,424.07x = 908,698.97 × 371,962.60
  4. Step 4: Simplify right side
    658,424.07x = 338,002,030,156.68
  5. Step 5: Solve for x
    x = 338,002,030,156.68/658,424.07
  6. Step 6: Final answer
    x = 513,350.05

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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.