Home / 768,230.46-1,060,060.23-428,713.02

Finding the Fourth Proportional to 768,230.46, 1,060,060.23 and 428,713.02

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Solution

The fourth proportional to 768,230.46, 1,060,060.23 and 428,713.02 is: 591,569.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,230.46 : 1,060,060.23 = 428,713.02 : x
  2. Step 2: Convert to fraction form
    768,230.46/1,060,060.23 = 428,713.02/x
  3. Step 3: Cross multiply
    768,230.46x = 1,060,060.23 × 428,713.02
  4. Step 4: Simplify right side
    768,230.46x = 454,461,622,585.20
  5. Step 5: Solve for x
    x = 454,461,622,585.20/768,230.46
  6. Step 6: Final answer
    x = 591,569.39

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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.