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Finding the Fourth Proportional to 625,305.33, 862,588.57 and 380,364.98

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Solution

The fourth proportional to 625,305.33, 862,588.57 and 380,364.98 is: 524,701.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,305.33 : 862,588.57 = 380,364.98 : x
  2. Step 2: Convert to fraction form
    625,305.33/862,588.57 = 380,364.98/x
  3. Step 3: Cross multiply
    625,305.33x = 862,588.57 × 380,364.98
  4. Step 4: Simplify right side
    625,305.33x = 328,098,479,768.85
  5. Step 5: Solve for x
    x = 328,098,479,768.85/625,305.33
  6. Step 6: Final answer
    x = 524,701.24

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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.