Home / 724,833.68-1,087,166.07-192,396.07

Finding the Fourth Proportional to 724,833.68, 1,087,166.07 and 192,396.07

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Solution

The fourth proportional to 724,833.68, 1,087,166.07 and 192,396.07 is: 288,571.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,833.68 : 1,087,166.07 = 192,396.07 : x
  2. Step 2: Convert to fraction form
    724,833.68/1,087,166.07 = 192,396.07/x
  3. Step 3: Cross multiply
    724,833.68x = 1,087,166.07 × 192,396.07
  4. Step 4: Simplify right side
    724,833.68x = 209,166,473,869.52
  5. Step 5: Solve for x
    x = 209,166,473,869.52/724,833.68
  6. Step 6: Final answer
    x = 288,571.68

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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.