Home / 743,769.88-1,026,410.46-404,238.20

Finding the Fourth Proportional to 743,769.88, 1,026,410.46 and 404,238.20

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Solution

The fourth proportional to 743,769.88, 1,026,410.46 and 404,238.20 is: 557,853.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,769.88 : 1,026,410.46 = 404,238.20 : x
  2. Step 2: Convert to fraction form
    743,769.88/1,026,410.46 = 404,238.20/x
  3. Step 3: Cross multiply
    743,769.88x = 1,026,410.46 × 404,238.20
  4. Step 4: Simplify right side
    743,769.88x = 414,914,316,811.57
  5. Step 5: Solve for x
    x = 414,914,316,811.57/743,769.88
  6. Step 6: Final answer
    x = 557,853.08

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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.