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Finding the Fourth Proportional to 888,508.30, 1,332,373.65 and 355,852.30

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Solution

The fourth proportional to 888,508.30, 1,332,373.65 and 355,852.30 is: 533,622.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,508.30 : 1,332,373.65 = 355,852.30 : x
  2. Step 2: Convert to fraction form
    888,508.30/1,332,373.65 = 355,852.30/x
  3. Step 3: Cross multiply
    888,508.30x = 1,332,373.65 × 355,852.30
  4. Step 4: Simplify right side
    888,508.30x = 474,128,227,811.90
  5. Step 5: Solve for x
    x = 474,128,227,811.90/888,508.30
  6. Step 6: Final answer
    x = 533,622.73

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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.