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Finding the Fourth Proportional to 768,673.28, 1,060,770.92 and 424,502.93

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Solution

The fourth proportional to 768,673.28, 1,060,770.92 and 424,502.93 is: 585,815.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,673.28 : 1,060,770.92 = 424,502.93 : x
  2. Step 2: Convert to fraction form
    768,673.28/1,060,770.92 = 424,502.93/x
  3. Step 3: Cross multiply
    768,673.28x = 1,060,770.92 × 424,502.93
  4. Step 4: Simplify right side
    768,673.28x = 450,300,356,172.43
  5. Step 5: Solve for x
    x = 450,300,356,172.43/768,673.28
  6. Step 6: Final answer
    x = 585,815.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.