Home / 769,101.68-1,061,381.72-424,959.80

Finding the Fourth Proportional to 769,101.68, 1,061,381.72 and 424,959.80

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Solution

The fourth proportional to 769,101.68, 1,061,381.72 and 424,959.80 is: 586,456.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,101.68 : 1,061,381.72 = 424,959.80 : x
  2. Step 2: Convert to fraction form
    769,101.68/1,061,381.72 = 424,959.80/x
  3. Step 3: Cross multiply
    769,101.68x = 1,061,381.72 × 424,959.80
  4. Step 4: Simplify right side
    769,101.68x = 451,044,559,210.35
  5. Step 5: Solve for x
    x = 451,044,559,210.35/769,101.68
  6. Step 6: Final answer
    x = 586,456.34

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1.5x scale

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.