Home / 743,323.92-1,025,736-403,784.88

Finding the Fourth Proportional to 743,323.92, 1,025,736 and 403,784.88

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Solution

The fourth proportional to 743,323.92, 1,025,736 and 403,784.88 is: 557,195.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,323.92 : 1,025,736 = 403,784.88 : x
  2. Step 2: Convert to fraction form
    743,323.92/1,025,736 = 403,784.88/x
  3. Step 3: Cross multiply
    743,323.92x = 1,025,736 × 403,784.88
  4. Step 4: Simplify right side
    743,323.92x = 414,176,687,671.68
  5. Step 5: Solve for x
    x = 414,176,687,671.68/743,323.92
  6. Step 6: Final answer
    x = 557,195.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.