Home / 769,073.96-1,061,315.78-424,909.80

Finding the Fourth Proportional to 769,073.96, 1,061,315.78 and 424,909.80

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Solution

The fourth proportional to 769,073.96, 1,061,315.78 and 424,909.80 is: 586,372.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,073.96 : 1,061,315.78 = 424,909.80 : x
  2. Step 2: Convert to fraction form
    769,073.96/1,061,315.78 = 424,909.80/x
  3. Step 3: Cross multiply
    769,073.96x = 1,061,315.78 × 424,909.80
  4. Step 4: Simplify right side
    769,073.96x = 450,963,475,816.64
  5. Step 5: Solve for x
    x = 450,963,475,816.64/769,073.96
  6. Step 6: Final answer
    x = 586,372.05

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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.