Home / 802,577.59-1,107,556.79-439,993.67

Finding the Fourth Proportional to 802,577.59, 1,107,556.79 and 439,993.67

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Solution

The fourth proportional to 802,577.59, 1,107,556.79 and 439,993.67 is: 607,191.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,577.59 : 1,107,556.79 = 439,993.67 : x
  2. Step 2: Convert to fraction form
    802,577.59/1,107,556.79 = 439,993.67/x
  3. Step 3: Cross multiply
    802,577.59x = 1,107,556.79 × 439,993.67
  4. Step 4: Simplify right side
    802,577.59x = 487,317,977,732.74
  5. Step 5: Solve for x
    x = 487,317,977,732.74/802,577.59
  6. Step 6: Final answer
    x = 607,191.11

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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.