Home / 761,023.76-1,141,534.87-311,745.47

Finding the Fourth Proportional to 761,023.76, 1,141,534.87 and 311,745.47

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Solution

The fourth proportional to 761,023.76, 1,141,534.87 and 311,745.47 is: 467,617.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,023.76 : 1,141,534.87 = 311,745.47 : x
  2. Step 2: Convert to fraction form
    761,023.76/1,141,534.87 = 311,745.47/x
  3. Step 3: Cross multiply
    761,023.76x = 1,141,534.87 × 311,745.47
  4. Step 4: Simplify right side
    761,023.76x = 355,868,318,082.50
  5. Step 5: Solve for x
    x = 355,868,318,082.50/761,023.76
  6. Step 6: Final answer
    x = 467,617.88

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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.