Home / 856,221.74-1,284,230.55-225,184.76

Finding the Fourth Proportional to 856,221.74, 1,284,230.55 and 225,184.76

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Solution

The fourth proportional to 856,221.74, 1,284,230.55 and 225,184.76 is: 337,750.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,221.74 : 1,284,230.55 = 225,184.76 : x
  2. Step 2: Convert to fraction form
    856,221.74/1,284,230.55 = 225,184.76/x
  3. Step 3: Cross multiply
    856,221.74x = 1,284,230.55 × 225,184.76
  4. Step 4: Simplify right side
    856,221.74x = 289,189,146,158.91
  5. Step 5: Solve for x
    x = 289,189,146,158.91/856,221.74
  6. Step 6: Final answer
    x = 337,750.30

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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.