Home / 854,662.28-1,281,520.13-349,577.92

Finding the Fourth Proportional to 854,662.28, 1,281,520.13 and 349,577.92

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Solution

The fourth proportional to 854,662.28, 1,281,520.13 and 349,577.92 is: 524,173.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,662.28 : 1,281,520.13 = 349,577.92 : x
  2. Step 2: Convert to fraction form
    854,662.28/1,281,520.13 = 349,577.92/x
  3. Step 3: Cross multiply
    854,662.28x = 1,281,520.13 × 349,577.92
  4. Step 4: Simplify right side
    854,662.28x = 447,991,141,337.54
  5. Step 5: Solve for x
    x = 447,991,141,337.54/854,662.28
  6. Step 6: Final answer
    x = 524,173.30

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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.