Home / 725,856.84-1,001,738.54-435,479.34

Finding the Fourth Proportional to 725,856.84, 1,001,738.54 and 435,479.34

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Solution

The fourth proportional to 725,856.84, 1,001,738.54 and 435,479.34 is: 600,995.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,856.84 : 1,001,738.54 = 435,479.34 : x
  2. Step 2: Convert to fraction form
    725,856.84/1,001,738.54 = 435,479.34/x
  3. Step 3: Cross multiply
    725,856.84x = 1,001,738.54 × 435,479.34
  4. Step 4: Simplify right side
    725,856.84x = 436,236,435,583.94
  5. Step 5: Solve for x
    x = 436,236,435,583.94/725,856.84
  6. Step 6: Final answer
    x = 600,995.14

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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.