Home / 807,879.69-1,212,170.27-433,465.29

Finding the Fourth Proportional to 807,879.69, 1,212,170.27 and 433,465.29

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Solution

The fourth proportional to 807,879.69, 1,212,170.27 and 433,465.29 is: 650,386.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,879.69 : 1,212,170.27 = 433,465.29 : x
  2. Step 2: Convert to fraction form
    807,879.69/1,212,170.27 = 433,465.29/x
  3. Step 3: Cross multiply
    807,879.69x = 1,212,170.27 × 433,465.29
  4. Step 4: Simplify right side
    807,879.69x = 525,433,735,447.60
  5. Step 5: Solve for x
    x = 525,433,735,447.60/807,879.69
  6. Step 6: Final answer
    x = 650,386.12

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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.