Home / 960,199.11-1,440,372.17-286,228.89

Finding the Fourth Proportional to 960,199.11, 1,440,372.17 and 286,228.89

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Solution

The fourth proportional to 960,199.11, 1,440,372.17 and 286,228.89 is: 429,365.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,199.11 : 1,440,372.17 = 286,228.89 : x
  2. Step 2: Convert to fraction form
    960,199.11/1,440,372.17 = 286,228.89/x
  3. Step 3: Cross multiply
    960,199.11x = 1,440,372.17 × 286,228.89
  4. Step 4: Simplify right side
    960,199.11x = 412,276,128,121.56
  5. Step 5: Solve for x
    x = 412,276,128,121.56/960,199.11
  6. Step 6: Final answer
    x = 429,365.25

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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.