Home / 768,933.92-1,061,158.84-424,787.60

Finding the Fourth Proportional to 768,933.92, 1,061,158.84 and 424,787.60

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Solution

The fourth proportional to 768,933.92, 1,061,158.84 and 424,787.60 is: 586,223.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,933.92 : 1,061,158.84 = 424,787.60 : x
  2. Step 2: Convert to fraction form
    768,933.92/1,061,158.84 = 424,787.60/x
  3. Step 3: Cross multiply
    768,933.92x = 1,061,158.84 × 424,787.60
  4. Step 4: Simplify right side
    768,933.92x = 450,767,116,862.38
  5. Step 5: Solve for x
    x = 450,767,116,862.38/768,933.92
  6. Step 6: Final answer
    x = 586,223.48

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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.