Home / 809,960.01-1,117,742.04-465,779.69

Finding the Fourth Proportional to 809,960.01, 1,117,742.04 and 465,779.69

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Solution

The fourth proportional to 809,960.01, 1,117,742.04 and 465,779.69 is: 642,774.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,960.01 : 1,117,742.04 = 465,779.69 : x
  2. Step 2: Convert to fraction form
    809,960.01/1,117,742.04 = 465,779.69/x
  3. Step 3: Cross multiply
    809,960.01x = 1,117,742.04 × 465,779.69
  4. Step 4: Simplify right side
    809,960.01x = 520,621,535,891.92
  5. Step 5: Solve for x
    x = 520,621,535,891.92/809,960.01
  6. Step 6: Final answer
    x = 642,774.37

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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.