Home / 461,397.12-636,607.72-270,307.84

Finding the Fourth Proportional to 461,397.12, 636,607.72 and 270,307.84

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Solution

The fourth proportional to 461,397.12, 636,607.72 and 270,307.84 is: 372,954.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,397.12 : 636,607.72 = 270,307.84 : x
  2. Step 2: Convert to fraction form
    461,397.12/636,607.72 = 270,307.84/x
  3. Step 3: Cross multiply
    461,397.12x = 636,607.72 × 270,307.84
  4. Step 4: Simplify right side
    461,397.12x = 172,080,057,720.53
  5. Step 5: Solve for x
    x = 172,080,057,720.53/461,397.12
  6. Step 6: Final answer
    x = 372,954.34

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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.