Home / 856,475.40-1,181,889.50-474,479.40

Finding the Fourth Proportional to 856,475.40, 1,181,889.50 and 474,479.40

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Solution

The fourth proportional to 856,475.40, 1,181,889.50 and 474,479.40 is: 654,755.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,475.40 : 1,181,889.50 = 474,479.40 : x
  2. Step 2: Convert to fraction form
    856,475.40/1,181,889.50 = 474,479.40/x
  3. Step 3: Cross multiply
    856,475.40x = 1,181,889.50 × 474,479.40
  4. Step 4: Simplify right side
    856,475.40x = 560,782,220,826.30
  5. Step 5: Solve for x
    x = 560,782,220,826.30/856,475.40
  6. Step 6: Final answer
    x = 654,755.78

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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.