Home / 763,117.30-1,053,049.17-423,558.82

Finding the Fourth Proportional to 763,117.30, 1,053,049.17 and 423,558.82

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Solution

The fourth proportional to 763,117.30, 1,053,049.17 and 423,558.82 is: 584,481.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,117.30 : 1,053,049.17 = 423,558.82 : x
  2. Step 2: Convert to fraction form
    763,117.30/1,053,049.17 = 423,558.82/x
  3. Step 3: Cross multiply
    763,117.30x = 1,053,049.17 × 423,558.82
  4. Step 4: Simplify right side
    763,117.30x = 446,028,263,847.18
  5. Step 5: Solve for x
    x = 446,028,263,847.18/763,117.30
  6. Step 6: Final answer
    x = 584,481.92

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Double scale
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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.