Home / 747,123.40-1,120,004.70-273,694.60

Finding the Fourth Proportional to 747,123.40, 1,120,004.70 and 273,694.60

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Solution

The fourth proportional to 747,123.40, 1,120,004.70 and 273,694.60 is: 410,292.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,123.40 : 1,120,004.70 = 273,694.60 : x
  2. Step 2: Convert to fraction form
    747,123.40/1,120,004.70 = 273,694.60/x
  3. Step 3: Cross multiply
    747,123.40x = 1,120,004.70 × 273,694.60
  4. Step 4: Simplify right side
    747,123.40x = 306,539,238,364.62
  5. Step 5: Solve for x
    x = 306,539,238,364.62/747,123.40
  6. Step 6: Final answer
    x = 410,292.65

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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.