Home / 861,269.40-1,291,952.70-262,250.10

Finding the Fourth Proportional to 861,269.40, 1,291,952.70 and 262,250.10

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Solution

The fourth proportional to 861,269.40, 1,291,952.70 and 262,250.10 is: 393,389.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,269.40 : 1,291,952.70 = 262,250.10 : x
  2. Step 2: Convert to fraction form
    861,269.40/1,291,952.70 = 262,250.10/x
  3. Step 3: Cross multiply
    861,269.40x = 1,291,952.70 × 262,250.10
  4. Step 4: Simplify right side
    861,269.40x = 338,814,724,770.27
  5. Step 5: Solve for x
    x = 338,814,724,770.27/861,269.40
  6. Step 6: Final answer
    x = 393,389.95

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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.