Home / 725,979.89-1,001,443.70-435,514.17

Finding the Fourth Proportional to 725,979.89, 1,001,443.70 and 435,514.17

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Solution

The fourth proportional to 725,979.89, 1,001,443.70 and 435,514.17 is: 600,764.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,979.89 : 1,001,443.70 = 435,514.17 : x
  2. Step 2: Convert to fraction form
    725,979.89/1,001,443.70 = 435,514.17/x
  3. Step 3: Cross multiply
    725,979.89x = 1,001,443.70 × 435,514.17
  4. Step 4: Simplify right side
    725,979.89x = 436,142,921,018.31
  5. Step 5: Solve for x
    x = 436,142,921,018.31/725,979.89
  6. Step 6: Final answer
    x = 600,764.47

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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.