Home / 861,323.67-1,292,172.31-262,269.14

Finding the Fourth Proportional to 861,323.67, 1,292,172.31 and 262,269.14

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Solution

The fourth proportional to 861,323.67, 1,292,172.31 and 262,269.14 is: 393,460.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,323.67 : 1,292,172.31 = 262,269.14 : x
  2. Step 2: Convert to fraction form
    861,323.67/1,292,172.31 = 262,269.14/x
  3. Step 3: Cross multiply
    861,323.67x = 1,292,172.31 × 262,269.14
  4. Step 4: Simplify right side
    861,323.67x = 338,896,913,358.98
  5. Step 5: Solve for x
    x = 338,896,913,358.98/861,323.67
  6. Step 6: Final answer
    x = 393,460.58

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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.