Home / 743,989.68-1,026,662.16-404,454.96

Finding the Fourth Proportional to 743,989.68, 1,026,662.16 and 404,454.96

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Solution

The fourth proportional to 743,989.68, 1,026,662.16 and 404,454.96 is: 558,124.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,989.68 : 1,026,662.16 = 404,454.96 : x
  2. Step 2: Convert to fraction form
    743,989.68/1,026,662.16 = 404,454.96/x
  3. Step 3: Cross multiply
    743,989.68x = 1,026,662.16 × 404,454.96
  4. Step 4: Simplify right side
    743,989.68x = 415,238,602,856.31
  5. Step 5: Solve for x
    x = 415,238,602,856.31/743,989.68
  6. Step 6: Final answer
    x = 558,124.14

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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.