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Finding the Fourth Proportional to 959,960, 1,440,173.28 and 295,112

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Solution

The fourth proportional to 959,960, 1,440,173.28 and 295,112 is: 442,739.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,960 : 1,440,173.28 = 295,112 : x
  2. Step 2: Convert to fraction form
    959,960/1,440,173.28 = 295,112/x
  3. Step 3: Cross multiply
    959,960x = 1,440,173.28 × 295,112
  4. Step 4: Simplify right side
    959,960x = 425,012,417,007.36
  5. Step 5: Solve for x
    x = 425,012,417,007.36/959,960
  6. Step 6: Final answer
    x = 442,739.72

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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.