Home / 674,758.38-931,149.18-368,835.51

Finding the Fourth Proportional to 674,758.38, 931,149.18 and 368,835.51

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Solution

The fourth proportional to 674,758.38, 931,149.18 and 368,835.51 is: 508,983.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,758.38 : 931,149.18 = 368,835.51 : x
  2. Step 2: Convert to fraction form
    674,758.38/931,149.18 = 368,835.51/x
  3. Step 3: Cross multiply
    674,758.38x = 931,149.18 × 368,835.51
  4. Step 4: Simplify right side
    674,758.38x = 343,440,882,691.38
  5. Step 5: Solve for x
    x = 343,440,882,691.38/674,758.38
  6. Step 6: Final answer
    x = 508,983.50

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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.