Home / 769,329.81-1,061,619.51-425,161.62

Finding the Fourth Proportional to 769,329.81, 1,061,619.51 and 425,161.62

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Solution

The fourth proportional to 769,329.81, 1,061,619.51 and 425,161.62 is: 586,692.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,329.81 : 1,061,619.51 = 425,161.62 : x
  2. Step 2: Convert to fraction form
    769,329.81/1,061,619.51 = 425,161.62/x
  3. Step 3: Cross multiply
    769,329.81x = 1,061,619.51 × 425,161.62
  4. Step 4: Simplify right side
    769,329.81x = 451,359,865,387.11
  5. Step 5: Solve for x
    x = 451,359,865,387.11/769,329.81
  6. Step 6: Final answer
    x = 586,692.29

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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.