Home / 769,102.32-1,061,382.60-424,960.42

Finding the Fourth Proportional to 769,102.32, 1,061,382.60 and 424,960.42

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Solution

The fourth proportional to 769,102.32, 1,061,382.60 and 424,960.42 is: 586,457.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,102.32 : 1,061,382.60 = 424,960.42 : x
  2. Step 2: Convert to fraction form
    769,102.32/1,061,382.60 = 424,960.42/x
  3. Step 3: Cross multiply
    769,102.32x = 1,061,382.60 × 424,960.42
  4. Step 4: Simplify right side
    769,102.32x = 451,045,599,192.55
  5. Step 5: Solve for x
    x = 451,045,599,192.55/769,102.32
  6. Step 6: Final answer
    x = 586,457.21

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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.