Home / 727,084.39-1,091,124.74-253,769.75

Finding the Fourth Proportional to 727,084.39, 1,091,124.74 and 253,769.75

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Solution

The fourth proportional to 727,084.39, 1,091,124.74 and 253,769.75 is: 380,828.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,084.39 : 1,091,124.74 = 253,769.75 : x
  2. Step 2: Convert to fraction form
    727,084.39/1,091,124.74 = 253,769.75/x
  3. Step 3: Cross multiply
    727,084.39x = 1,091,124.74 × 253,769.75
  4. Step 4: Simplify right side
    727,084.39x = 276,894,452,488.62
  5. Step 5: Solve for x
    x = 276,894,452,488.62/727,084.39
  6. Step 6: Final answer
    x = 380,828.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.