Home / 724,505.20-1,086,709.20-192,014.80

Finding the Fourth Proportional to 724,505.20, 1,086,709.20 and 192,014.80

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Solution

The fourth proportional to 724,505.20, 1,086,709.20 and 192,014.80 is: 288,009.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,505.20 : 1,086,709.20 = 192,014.80 : x
  2. Step 2: Convert to fraction form
    724,505.20/1,086,709.20 = 192,014.80/x
  3. Step 3: Cross multiply
    724,505.20x = 1,086,709.20 × 192,014.80
  4. Step 4: Simplify right side
    724,505.20x = 208,664,249,696.16
  5. Step 5: Solve for x
    x = 208,664,249,696.16/724,505.20
  6. Step 6: Final answer
    x = 288,009.32

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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.