Home / 731,993.55-1,093,007.75-645,886.80

Finding the Fourth Proportional to 731,993.55, 1,093,007.75 and 645,886.80

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Solution

The fourth proportional to 731,993.55, 1,093,007.75 and 645,886.80 is: 964,433.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,993.55 : 1,093,007.75 = 645,886.80 : x
  2. Step 2: Convert to fraction form
    731,993.55/1,093,007.75 = 645,886.80/x
  3. Step 3: Cross multiply
    731,993.55x = 1,093,007.75 × 645,886.80
  4. Step 4: Simplify right side
    731,993.55x = 705,959,278,022.70
  5. Step 5: Solve for x
    x = 705,959,278,022.70/731,993.55
  6. Step 6: Final answer
    x = 964,433.74

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.