Home / 791,427.67-1,187,132.75-192,389.40

Finding the Fourth Proportional to 791,427.67, 1,187,132.75 and 192,389.40

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Solution

The fourth proportional to 791,427.67, 1,187,132.75 and 192,389.40 is: 288,581.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,427.67 : 1,187,132.75 = 192,389.40 : x
  2. Step 2: Convert to fraction form
    791,427.67/1,187,132.75 = 192,389.40/x
  3. Step 3: Cross multiply
    791,427.67x = 1,187,132.75 × 192,389.40
  4. Step 4: Simplify right side
    791,427.67x = 228,391,756,530.90
  5. Step 5: Solve for x
    x = 228,391,756,530.90/791,427.67
  6. Step 6: Final answer
    x = 288,581.97

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1.5x scale

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.