Home / 743,993.70-1,026,719.92-412,856.43

Finding the Fourth Proportional to 743,993.70, 1,026,719.92 and 412,856.43

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Solution

The fourth proportional to 743,993.70, 1,026,719.92 and 412,856.43 is: 569,746.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,993.70 : 1,026,719.92 = 412,856.43 : x
  2. Step 2: Convert to fraction form
    743,993.70/1,026,719.92 = 412,856.43/x
  3. Step 3: Cross multiply
    743,993.70x = 1,026,719.92 × 412,856.43
  4. Step 4: Simplify right side
    743,993.70x = 423,887,920,781.09
  5. Step 5: Solve for x
    x = 423,887,920,781.09/743,993.70
  6. Step 6: Final answer
    x = 569,746.65

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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.