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Finding the Fourth Proportional to 888,792.90, 1,333,159.38 and 356,170.92

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Solution

The fourth proportional to 888,792.90, 1,333,159.38 and 356,170.92 is: 534,244.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,792.90 : 1,333,159.38 = 356,170.92 : x
  2. Step 2: Convert to fraction form
    888,792.90/1,333,159.38 = 356,170.92/x
  3. Step 3: Cross multiply
    888,792.90x = 1,333,159.38 × 356,170.92
  4. Step 4: Simplify right side
    888,792.90x = 474,832,602,881.23
  5. Step 5: Solve for x
    x = 474,832,602,881.23/888,792.90
  6. Step 6: Final answer
    x = 534,244.37

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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.