Home / 658,434.06-908,712.74-371,972.60

Finding the Fourth Proportional to 658,434.06, 908,712.74 and 371,972.60

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Solution

The fourth proportional to 658,434.06, 908,712.74 and 371,972.60 is: 513,363.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,434.06 : 908,712.74 = 371,972.60 : x
  2. Step 2: Convert to fraction form
    658,434.06/908,712.74 = 371,972.60/x
  3. Step 3: Cross multiply
    658,434.06x = 908,712.74 × 371,972.60
  4. Step 4: Simplify right side
    658,434.06x = 338,016,240,550.92
  5. Step 5: Solve for x
    x = 338,016,240,550.92/658,434.06
  6. Step 6: Final answer
    x = 513,363.84

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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.