Home / 743,993.49-1,026,719.63-412,856.22

Finding the Fourth Proportional to 743,993.49, 1,026,719.63 and 412,856.22

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Solution

The fourth proportional to 743,993.49, 1,026,719.63 and 412,856.22 is: 569,746.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,993.49 : 1,026,719.63 = 412,856.22 : x
  2. Step 2: Convert to fraction form
    743,993.49/1,026,719.63 = 412,856.22/x
  3. Step 3: Cross multiply
    743,993.49x = 1,026,719.63 × 412,856.22
  4. Step 4: Simplify right side
    743,993.49x = 423,887,591,098.04
  5. Step 5: Solve for x
    x = 423,887,591,098.04/743,993.49
  6. Step 6: Final answer
    x = 569,746.37

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Double scale
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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.