Home / 807,982.26-1,115,019.02-445,398.31

Finding the Fourth Proportional to 807,982.26, 1,115,019.02 and 445,398.31

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Solution

The fourth proportional to 807,982.26, 1,115,019.02 and 445,398.31 is: 614,651.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,982.26 : 1,115,019.02 = 445,398.31 : x
  2. Step 2: Convert to fraction form
    807,982.26/1,115,019.02 = 445,398.31/x
  3. Step 3: Cross multiply
    807,982.26x = 1,115,019.02 × 445,398.31
  4. Step 4: Simplify right side
    807,982.26x = 496,627,584,898.87
  5. Step 5: Solve for x
    x = 496,627,584,898.87/807,982.26
  6. Step 6: Final answer
    x = 614,651.60

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1.5x scale

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.