Home / 741,743.10-1,112,323.50-261,868.49

Finding the Fourth Proportional to 741,743.10, 1,112,323.50 and 261,868.49

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Solution

The fourth proportional to 741,743.10, 1,112,323.50 and 261,868.49 is: 392,699.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,743.10 : 1,112,323.50 = 261,868.49 : x
  2. Step 2: Convert to fraction form
    741,743.10/1,112,323.50 = 261,868.49/x
  3. Step 3: Cross multiply
    741,743.10x = 1,112,323.50 × 261,868.49
  4. Step 4: Simplify right side
    741,743.10x = 291,282,475,336.52
  5. Step 5: Solve for x
    x = 291,282,475,336.52/741,743.10
  6. Step 6: Final answer
    x = 392,699.95

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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.