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Finding the Fourth Proportional to 888,609.60, 1,333,108.80 and 355,996.80

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Solution

The fourth proportional to 888,609.60, 1,333,108.80 and 355,996.80 is: 534,073.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,609.60 : 1,333,108.80 = 355,996.80 : x
  2. Step 2: Convert to fraction form
    888,609.60/1,333,108.80 = 355,996.80/x
  3. Step 3: Cross multiply
    888,609.60x = 1,333,108.80 × 355,996.80
  4. Step 4: Simplify right side
    888,609.60x = 474,582,466,851.84
  5. Step 5: Solve for x
    x = 474,582,466,851.84/888,609.60
  6. Step 6: Final answer
    x = 534,073.08

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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.