Home / 658,433.58-908,712.08-371,972.12

Finding the Fourth Proportional to 658,433.58, 908,712.08 and 371,972.12

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Solution

The fourth proportional to 658,433.58, 908,712.08 and 371,972.12 is: 513,363.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,433.58 : 908,712.08 = 371,972.12 : x
  2. Step 2: Convert to fraction form
    658,433.58/908,712.08 = 371,972.12/x
  3. Step 3: Cross multiply
    658,433.58x = 908,712.08 × 371,972.12
  4. Step 4: Simplify right side
    658,433.58x = 338,015,558,867.21
  5. Step 5: Solve for x
    x = 338,015,558,867.21/658,433.58
  6. Step 6: Final answer
    x = 513,363.18

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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.