Home / 769,835.08-1,062,350.37-425,665.06

Finding the Fourth Proportional to 769,835.08, 1,062,350.37 and 425,665.06

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Solution

The fourth proportional to 769,835.08, 1,062,350.37 and 425,665.06 is: 587,405.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,835.08 : 1,062,350.37 = 425,665.06 : x
  2. Step 2: Convert to fraction form
    769,835.08/1,062,350.37 = 425,665.06/x
  3. Step 3: Cross multiply
    769,835.08x = 1,062,350.37 × 425,665.06
  4. Step 4: Simplify right side
    769,835.08x = 452,205,433,987.07
  5. Step 5: Solve for x
    x = 452,205,433,987.07/769,835.08
  6. Step 6: Final answer
    x = 587,405.60

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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.