Home / 798,445.50-1,101,855.51-440,749.50

Finding the Fourth Proportional to 798,445.50, 1,101,855.51 and 440,749.50

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Solution

The fourth proportional to 798,445.50, 1,101,855.51 and 440,749.50 is: 608,234.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,445.50 : 1,101,855.51 = 440,749.50 : x
  2. Step 2: Convert to fraction form
    798,445.50/1,101,855.51 = 440,749.50/x
  3. Step 3: Cross multiply
    798,445.50x = 1,101,855.51 × 440,749.50
  4. Step 4: Simplify right side
    798,445.50x = 485,642,265,104.75
  5. Step 5: Solve for x
    x = 485,642,265,104.75/798,445.50
  6. Step 6: Final answer
    x = 608,234.71

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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.