Home / 834,401.22-1,250,859.45-301,803.78

Finding the Fourth Proportional to 834,401.22, 1,250,859.45 and 301,803.78

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Solution

The fourth proportional to 834,401.22, 1,250,859.45 and 301,803.78 is: 452,437.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,401.22 : 1,250,859.45 = 301,803.78 : x
  2. Step 2: Convert to fraction form
    834,401.22/1,250,859.45 = 301,803.78/x
  3. Step 3: Cross multiply
    834,401.22x = 1,250,859.45 × 301,803.78
  4. Step 4: Simplify right side
    834,401.22x = 377,514,110,258.72
  5. Step 5: Solve for x
    x = 377,514,110,258.72/834,401.22
  6. Step 6: Final answer
    x = 452,437.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.