Home / 461,533.18-690,959.04-268,820

Finding the Fourth Proportional to 461,533.18, 690,959.04 and 268,820

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Solution

The fourth proportional to 461,533.18, 690,959.04 and 268,820 is: 402,449.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,533.18 : 690,959.04 = 268,820 : x
  2. Step 2: Convert to fraction form
    461,533.18/690,959.04 = 268,820/x
  3. Step 3: Cross multiply
    461,533.18x = 690,959.04 × 268,820
  4. Step 4: Simplify right side
    461,533.18x = 185,743,609,132.80
  5. Step 5: Solve for x
    x = 185,743,609,132.80/461,533.18
  6. Step 6: Final answer
    x = 402,449.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.