Home / 888,470.13-1,332,704.10-289,430.31

Finding the Fourth Proportional to 888,470.13, 1,332,704.10 and 289,430.31

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Solution

The fourth proportional to 888,470.13, 1,332,704.10 and 289,430.31 is: 434,145.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,470.13 : 1,332,704.10 = 289,430.31 : x
  2. Step 2: Convert to fraction form
    888,470.13/1,332,704.10 = 289,430.31/x
  3. Step 3: Cross multiply
    888,470.13x = 1,332,704.10 × 289,430.31
  4. Step 4: Simplify right side
    888,470.13x = 385,724,960,801.27
  5. Step 5: Solve for x
    x = 385,724,960,801.27/888,470.13
  6. Step 6: Final answer
    x = 434,145.11

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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.