Home / 847,137.88-1,270,707.23-531,816.22

Finding the Fourth Proportional to 847,137.88, 1,270,707.23 and 531,816.22

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Solution

The fourth proportional to 847,137.88, 1,270,707.23 and 531,816.22 is: 797,724.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,137.88 : 1,270,707.23 = 531,816.22 : x
  2. Step 2: Convert to fraction form
    847,137.88/1,270,707.23 = 531,816.22/x
  3. Step 3: Cross multiply
    847,137.88x = 1,270,707.23 × 531,816.22
  4. Step 4: Simplify right side
    847,137.88x = 675,782,713,126.19
  5. Step 5: Solve for x
    x = 675,782,713,126.19/847,137.88
  6. Step 6: Final answer
    x = 797,724.58

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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.