Home / 888,712.56-1,333,207.04-289,534.20

Finding the Fourth Proportional to 888,712.56, 1,333,207.04 and 289,534.20

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Solution

The fourth proportional to 888,712.56, 1,333,207.04 and 289,534.20 is: 434,346.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,712.56 : 1,333,207.04 = 289,534.20 : x
  2. Step 2: Convert to fraction form
    888,712.56/1,333,207.04 = 289,534.20/x
  3. Step 3: Cross multiply
    888,712.56x = 1,333,207.04 × 289,534.20
  4. Step 4: Simplify right side
    888,712.56x = 386,009,033,760.77
  5. Step 5: Solve for x
    x = 386,009,033,760.77/888,712.56
  6. Step 6: Final answer
    x = 434,346.32

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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.