Home / 888,707.54-1,333,199.55-289,529.21

Finding the Fourth Proportional to 888,707.54, 1,333,199.55 and 289,529.21

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Solution

The fourth proportional to 888,707.54, 1,333,199.55 and 289,529.21 is: 434,338.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,707.54 : 1,333,199.55 = 289,529.21 : x
  2. Step 2: Convert to fraction form
    888,707.54/1,333,199.55 = 289,529.21/x
  3. Step 3: Cross multiply
    888,707.54x = 1,333,199.55 × 289,529.21
  4. Step 4: Simplify right side
    888,707.54x = 386,000,212,483.86
  5. Step 5: Solve for x
    x = 386,000,212,483.86/888,707.54
  6. Step 6: Final answer
    x = 434,338.85

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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.