Home / 790,450.92-1,185,865.02-257,972.94

Finding the Fourth Proportional to 790,450.92, 1,185,865.02 and 257,972.94

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Solution

The fourth proportional to 790,450.92, 1,185,865.02 and 257,972.94 is: 387,020.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,450.92 : 1,185,865.02 = 257,972.94 : x
  2. Step 2: Convert to fraction form
    790,450.92/1,185,865.02 = 257,972.94/x
  3. Step 3: Cross multiply
    790,450.92x = 1,185,865.02 × 257,972.94
  4. Step 4: Simplify right side
    790,450.92x = 305,921,085,652.56
  5. Step 5: Solve for x
    x = 305,921,085,652.56/790,450.92
  6. Step 6: Final answer
    x = 387,020.97

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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.