Home / 888,458.10-1,332,686.16-289,418.28

Finding the Fourth Proportional to 888,458.10, 1,332,686.16 and 289,418.28

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Solution

The fourth proportional to 888,458.10, 1,332,686.16 and 289,418.28 is: 434,127.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,458.10 : 1,332,686.16 = 289,418.28 : x
  2. Step 2: Convert to fraction form
    888,458.10/1,332,686.16 = 289,418.28/x
  3. Step 3: Cross multiply
    888,458.10x = 1,332,686.16 × 289,418.28
  4. Step 4: Simplify right side
    888,458.10x = 385,703,736,207.01
  5. Step 5: Solve for x
    x = 385,703,736,207.01/888,458.10
  6. Step 6: Final answer
    x = 434,127.10

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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.