Home / 908,004.25-1,252,936.17-520,799.61

Finding the Fourth Proportional to 908,004.25, 1,252,936.17 and 520,799.61

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Solution

The fourth proportional to 908,004.25, 1,252,936.17 and 520,799.61 is: 718,640.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,004.25 : 1,252,936.17 = 520,799.61 : x
  2. Step 2: Convert to fraction form
    908,004.25/1,252,936.17 = 520,799.61/x
  3. Step 3: Cross multiply
    908,004.25x = 1,252,936.17 × 520,799.61
  4. Step 4: Simplify right side
    908,004.25x = 652,528,669,870.24
  5. Step 5: Solve for x
    x = 652,528,669,870.24/908,004.25
  6. Step 6: Final answer
    x = 718,640.54

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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.