Home / 768,868.49-1,061,034.30-424,728.10

Finding the Fourth Proportional to 768,868.49, 1,061,034.30 and 424,728.10

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Solution

The fourth proportional to 768,868.49, 1,061,034.30 and 424,728.10 is: 586,122.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,868.49 : 1,061,034.30 = 424,728.10 : x
  2. Step 2: Convert to fraction form
    768,868.49/1,061,034.30 = 424,728.10/x
  3. Step 3: Cross multiply
    768,868.49x = 1,061,034.30 × 424,728.10
  4. Step 4: Simplify right side
    768,868.49x = 450,651,079,621.24
  5. Step 5: Solve for x
    x = 450,651,079,621.24/768,868.49
  6. Step 6: Final answer
    x = 586,122.44

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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.