Home / 681,423.03-940,370.09-375,510.33

Finding the Fourth Proportional to 681,423.03, 940,370.09 and 375,510.33

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Solution

The fourth proportional to 681,423.03, 940,370.09 and 375,510.33 is: 518,207.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,423.03 : 940,370.09 = 375,510.33 : x
  2. Step 2: Convert to fraction form
    681,423.03/940,370.09 = 375,510.33/x
  3. Step 3: Cross multiply
    681,423.03x = 940,370.09 × 375,510.33
  4. Step 4: Simplify right side
    681,423.03x = 353,118,680,940.48
  5. Step 5: Solve for x
    x = 353,118,680,940.48/681,423.03
  6. Step 6: Final answer
    x = 518,207.73

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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.