Home / 888,460.36-1,332,689.52-289,420.56

Finding the Fourth Proportional to 888,460.36, 1,332,689.52 and 289,420.56

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Solution

The fourth proportional to 888,460.36, 1,332,689.52 and 289,420.56 is: 434,130.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,460.36 : 1,332,689.52 = 289,420.56 : x
  2. Step 2: Convert to fraction form
    888,460.36/1,332,689.52 = 289,420.56/x
  3. Step 3: Cross multiply
    888,460.36x = 1,332,689.52 × 289,420.56
  4. Step 4: Simplify right side
    888,460.36x = 385,707,748,269.86
  5. Step 5: Solve for x
    x = 385,707,748,269.86/888,460.36
  6. Step 6: Final answer
    x = 434,130.51

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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.