Home / 725,819.07-1,001,686.37-435,441.54

Finding the Fourth Proportional to 725,819.07, 1,001,686.37 and 435,441.54

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Solution

The fourth proportional to 725,819.07, 1,001,686.37 and 435,441.54 is: 600,942.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,819.07 : 1,001,686.37 = 435,441.54 : x
  2. Step 2: Convert to fraction form
    725,819.07/1,001,686.37 = 435,441.54/x
  3. Step 3: Cross multiply
    725,819.07x = 1,001,686.37 × 435,441.54
  4. Step 4: Simplify right side
    725,819.07x = 436,175,855,549.81
  5. Step 5: Solve for x
    x = 436,175,855,549.81/725,819.07
  6. Step 6: Final answer
    x = 600,942.95

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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.