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Finding the Fourth Proportional to 967,376.96, 1,448,652 and 611,316.80

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Solution

The fourth proportional to 967,376.96, 1,448,652 and 611,316.80 is: 915,450.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    967,376.96 : 1,448,652 = 611,316.80 : x
  2. Step 2: Convert to fraction form
    967,376.96/1,448,652 = 611,316.80/x
  3. Step 3: Cross multiply
    967,376.96x = 1,448,652 × 611,316.80
  4. Step 4: Simplify right side
    967,376.96x = 885,585,304,953.60
  5. Step 5: Solve for x
    x = 885,585,304,953.60/967,376.96
  6. Step 6: Final answer
    x = 915,450.07

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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.