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Finding the Fourth Proportional to 650,231.48, 897,499.95 and 378,352.07

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Solution

The fourth proportional to 650,231.48, 897,499.95 and 378,352.07 is: 522,230.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,231.48 : 897,499.95 = 378,352.07 : x
  2. Step 2: Convert to fraction form
    650,231.48/897,499.95 = 378,352.07/x
  3. Step 3: Cross multiply
    650,231.48x = 897,499.95 × 378,352.07
  4. Step 4: Simplify right side
    650,231.48x = 339,570,963,890.92
  5. Step 5: Solve for x
    x = 339,570,963,890.92/650,231.48
  6. Step 6: Final answer
    x = 522,230.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.