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Finding the Fourth Proportional to 962,463.48, 1,443,894.48 and 288,517.56

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Solution

The fourth proportional to 962,463.48, 1,443,894.48 and 288,517.56 is: 432,836.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,463.48 : 1,443,894.48 = 288,517.56 : x
  2. Step 2: Convert to fraction form
    962,463.48/1,443,894.48 = 288,517.56/x
  3. Step 3: Cross multiply
    962,463.48x = 1,443,894.48 × 288,517.56
  4. Step 4: Simplify right side
    962,463.48x = 416,588,912,267.07
  5. Step 5: Solve for x
    x = 416,588,912,267.07/962,463.48
  6. Step 6: Final answer
    x = 432,836.07

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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.