Home / 820,652.95-1,132,690.02-481,230.55

Finding the Fourth Proportional to 820,652.95, 1,132,690.02 and 481,230.55

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Solution

The fourth proportional to 820,652.95, 1,132,690.02 and 481,230.55 is: 664,208.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,652.95 : 1,132,690.02 = 481,230.55 : x
  2. Step 2: Convert to fraction form
    820,652.95/1,132,690.02 = 481,230.55/x
  3. Step 3: Cross multiply
    820,652.95x = 1,132,690.02 × 481,230.55
  4. Step 4: Simplify right side
    820,652.95x = 545,085,041,304.11
  5. Step 5: Solve for x
    x = 545,085,041,304.11/820,652.95
  6. Step 6: Final answer
    x = 664,208.96

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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.