Home / 852,439.46-1,176,349.78-465,257.66

Finding the Fourth Proportional to 852,439.46, 1,176,349.78 and 465,257.66

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Solution

The fourth proportional to 852,439.46, 1,176,349.78 and 465,257.66 is: 642,046.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,439.46 : 1,176,349.78 = 465,257.66 : x
  2. Step 2: Convert to fraction form
    852,439.46/1,176,349.78 = 465,257.66/x
  3. Step 3: Cross multiply
    852,439.46x = 1,176,349.78 × 465,257.66
  4. Step 4: Simplify right side
    852,439.46x = 547,305,745,984.32
  5. Step 5: Solve for x
    x = 547,305,745,984.32/852,439.46
  6. Step 6: Final answer
    x = 642,046.47

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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.