Home / 891,720.30-1,337,624.34-359,169.34

Finding the Fourth Proportional to 891,720.30, 1,337,624.34 and 359,169.34

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Solution

The fourth proportional to 891,720.30, 1,337,624.34 and 359,169.34 is: 538,771.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,720.30 : 1,337,624.34 = 359,169.34 : x
  2. Step 2: Convert to fraction form
    891,720.30/1,337,624.34 = 359,169.34/x
  3. Step 3: Cross multiply
    891,720.30x = 1,337,624.34 × 359,169.34
  4. Step 4: Simplify right side
    891,720.30x = 480,433,651,365.74
  5. Step 5: Solve for x
    x = 480,433,651,365.74/891,720.30
  6. Step 6: Final answer
    x = 538,771.69

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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.