Home / 970,439.92-1,455,459.12-260,299.04

Finding the Fourth Proportional to 970,439.92, 1,455,459.12 and 260,299.04

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Solution

The fourth proportional to 970,439.92, 1,455,459.12 and 260,299.04 is: 390,394.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,439.92 : 1,455,459.12 = 260,299.04 : x
  2. Step 2: Convert to fraction form
    970,439.92/1,455,459.12 = 260,299.04/x
  3. Step 3: Cross multiply
    970,439.92x = 1,455,459.12 × 260,299.04
  4. Step 4: Simplify right side
    970,439.92x = 378,854,611,695.25
  5. Step 5: Solve for x
    x = 378,854,611,695.25/970,439.92
  6. Step 6: Final answer
    x = 390,394.71

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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.