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Finding the Fourth Proportional to 659,325.56, 909,863.70 and 372,844.76

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Solution

The fourth proportional to 659,325.56, 909,863.70 and 372,844.76 is: 514,522.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,325.56 : 909,863.70 = 372,844.76 : x
  2. Step 2: Convert to fraction form
    659,325.56/909,863.70 = 372,844.76/x
  3. Step 3: Cross multiply
    659,325.56x = 909,863.70 × 372,844.76
  4. Step 4: Simplify right side
    659,325.56x = 339,237,912,859.21
  5. Step 5: Solve for x
    x = 339,237,912,859.21/659,325.56
  6. Step 6: Final answer
    x = 514,522.62

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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.