Home / 874,449.71-1,206,724.40-476,631.55

Finding the Fourth Proportional to 874,449.71, 1,206,724.40 and 476,631.55

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Solution

The fourth proportional to 874,449.71, 1,206,724.40 and 476,631.55 is: 657,742.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,449.71 : 1,206,724.40 = 476,631.55 : x
  2. Step 2: Convert to fraction form
    874,449.71/1,206,724.40 = 476,631.55/x
  3. Step 3: Cross multiply
    874,449.71x = 1,206,724.40 × 476,631.55
  4. Step 4: Simplify right side
    874,449.71x = 575,162,921,194.82
  5. Step 5: Solve for x
    x = 575,162,921,194.82/874,449.71
  6. Step 6: Final answer
    x = 657,742.71

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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.