Home / 674,431.38-1,011,351.42-253,411.74

Finding the Fourth Proportional to 674,431.38, 1,011,351.42 and 253,411.74

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Solution

The fourth proportional to 674,431.38, 1,011,351.42 and 253,411.74 is: 380,006.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,431.38 : 1,011,351.42 = 253,411.74 : x
  2. Step 2: Convert to fraction form
    674,431.38/1,011,351.42 = 253,411.74/x
  3. Step 3: Cross multiply
    674,431.38x = 1,011,351.42 × 253,411.74
  4. Step 4: Simplify right side
    674,431.38x = 256,288,323,093.67
  5. Step 5: Solve for x
    x = 256,288,323,093.67/674,431.38
  6. Step 6: Final answer
    x = 380,006.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.