Home / 861,311.88-1,292,033.70-262,324.08

Finding the Fourth Proportional to 861,311.88, 1,292,033.70 and 262,324.08

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Solution

The fourth proportional to 861,311.88, 1,292,033.70 and 262,324.08 is: 393,506.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,311.88 : 1,292,033.70 = 262,324.08 : x
  2. Step 2: Convert to fraction form
    861,311.88/1,292,033.70 = 262,324.08/x
  3. Step 3: Cross multiply
    861,311.88x = 1,292,033.70 × 262,324.08
  4. Step 4: Simplify right side
    861,311.88x = 338,931,551,681.50
  5. Step 5: Solve for x
    x = 338,931,551,681.50/861,311.88
  6. Step 6: Final answer
    x = 393,506.18

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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.