Home / 888,457.86-1,332,685.74-289,418.04

Finding the Fourth Proportional to 888,457.86, 1,332,685.74 and 289,418.04

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Solution

The fourth proportional to 888,457.86, 1,332,685.74 and 289,418.04 is: 434,126.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,457.86 : 1,332,685.74 = 289,418.04 : x
  2. Step 2: Convert to fraction form
    888,457.86/1,332,685.74 = 289,418.04/x
  3. Step 3: Cross multiply
    888,457.86x = 1,332,685.74 × 289,418.04
  4. Step 4: Simplify right side
    888,457.86x = 385,703,294,806.75
  5. Step 5: Solve for x
    x = 385,703,294,806.75/888,457.86
  6. Step 6: Final answer
    x = 434,126.72

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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.