Home / 625,324.08-862,614.44-380,383.76

Finding the Fourth Proportional to 625,324.08, 862,614.44 and 380,383.76

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Solution

The fourth proportional to 625,324.08, 862,614.44 and 380,383.76 is: 524,727.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,324.08 : 862,614.44 = 380,383.76 : x
  2. Step 2: Convert to fraction form
    625,324.08/862,614.44 = 380,383.76/x
  3. Step 3: Cross multiply
    625,324.08x = 862,614.44 × 380,383.76
  4. Step 4: Simplify right side
    625,324.08x = 328,124,524,117.49
  5. Step 5: Solve for x
    x = 328,124,524,117.49/625,324.08
  6. Step 6: Final answer
    x = 524,727.15

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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.