Home / 755,639.39-1,042,767.42-411,479.55

Finding the Fourth Proportional to 755,639.39, 1,042,767.42 and 411,479.55

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Solution

The fourth proportional to 755,639.39, 1,042,767.42 and 411,479.55 is: 567,833.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,639.39 : 1,042,767.42 = 411,479.55 : x
  2. Step 2: Convert to fraction form
    755,639.39/1,042,767.42 = 411,479.55/x
  3. Step 3: Cross multiply
    755,639.39x = 1,042,767.42 × 411,479.55
  4. Step 4: Simplify right side
    755,639.39x = 429,077,468,736.26
  5. Step 5: Solve for x
    x = 429,077,468,736.26/755,639.39
  6. Step 6: Final answer
    x = 567,833.64

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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.