Home / 743,581.49-1,026,148.91-404,049.74

Finding the Fourth Proportional to 743,581.49, 1,026,148.91 and 404,049.74

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Solution

The fourth proportional to 743,581.49, 1,026,148.91 and 404,049.74 is: 557,592.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,581.49 : 1,026,148.91 = 404,049.74 : x
  2. Step 2: Convert to fraction form
    743,581.49/1,026,148.91 = 404,049.74/x
  3. Step 3: Cross multiply
    743,581.49x = 1,026,148.91 × 404,049.74
  4. Step 4: Simplify right side
    743,581.49x = 414,615,193,135.79
  5. Step 5: Solve for x
    x = 414,615,193,135.79/743,581.49
  6. Step 6: Final answer
    x = 557,592.14

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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.