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Finding the Fourth Proportional to 650,522.13, 897,303.99 and 521,769.54

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Solution

The fourth proportional to 650,522.13, 897,303.99 and 521,769.54 is: 719,707.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,522.13 : 897,303.99 = 521,769.54 : x
  2. Step 2: Convert to fraction form
    650,522.13/897,303.99 = 521,769.54/x
  3. Step 3: Cross multiply
    650,522.13x = 897,303.99 × 521,769.54
  4. Step 4: Simplify right side
    650,522.13x = 468,185,890,102.47
  5. Step 5: Solve for x
    x = 468,185,890,102.47/650,522.13
  6. Step 6: Final answer
    x = 719,707.86

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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.