Home / 725,856.71-1,001,738.36-435,479.19

Finding the Fourth Proportional to 725,856.71, 1,001,738.36 and 435,479.19

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Solution

The fourth proportional to 725,856.71, 1,001,738.36 and 435,479.19 is: 600,994.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,856.71 : 1,001,738.36 = 435,479.19 : x
  2. Step 2: Convert to fraction form
    725,856.71/1,001,738.36 = 435,479.19/x
  3. Step 3: Cross multiply
    725,856.71x = 1,001,738.36 × 435,479.19
  4. Step 4: Simplify right side
    725,856.71x = 436,236,207,427.33
  5. Step 5: Solve for x
    x = 436,236,207,427.33/725,856.71
  6. Step 6: Final answer
    x = 600,994.94

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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.