Home / 727,733.40-1,091,211.30-254,434.20

Finding the Fourth Proportional to 727,733.40, 1,091,211.30 and 254,434.20

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Solution

The fourth proportional to 727,733.40, 1,091,211.30 and 254,434.20 is: 381,515.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,733.40 : 1,091,211.30 = 254,434.20 : x
  2. Step 2: Convert to fraction form
    727,733.40/1,091,211.30 = 254,434.20/x
  3. Step 3: Cross multiply
    727,733.40x = 1,091,211.30 × 254,434.20
  4. Step 4: Simplify right side
    727,733.40x = 277,641,474,146.46
  5. Step 5: Solve for x
    x = 277,641,474,146.46/727,733.40
  6. Step 6: Final answer
    x = 381,515.37

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Double scale
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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.