Home / 803,422.22-1,108,685.56-440,837.06

Finding the Fourth Proportional to 803,422.22, 1,108,685.56 and 440,837.06

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Solution

The fourth proportional to 803,422.22, 1,108,685.56 and 440,837.06 is: 608,334.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,422.22 : 1,108,685.56 = 440,837.06 : x
  2. Step 2: Convert to fraction form
    803,422.22/1,108,685.56 = 440,837.06/x
  3. Step 3: Cross multiply
    803,422.22x = 1,108,685.56 × 440,837.06
  4. Step 4: Simplify right side
    803,422.22x = 488,749,682,734.85
  5. Step 5: Solve for x
    x = 488,749,682,734.85/803,422.22
  6. Step 6: Final answer
    x = 608,334.78

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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.