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Finding the Fourth Proportional to 526,679.49, 726,812.52 and 284,956.75

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Solution

The fourth proportional to 526,679.49, 726,812.52 and 284,956.75 is: 393,237.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,679.49 : 726,812.52 = 284,956.75 : x
  2. Step 2: Convert to fraction form
    526,679.49/726,812.52 = 284,956.75/x
  3. Step 3: Cross multiply
    526,679.49x = 726,812.52 × 284,956.75
  4. Step 4: Simplify right side
    526,679.49x = 207,110,133,558.51
  5. Step 5: Solve for x
    x = 207,110,133,558.51/526,679.49
  6. Step 6: Final answer
    x = 393,237.51

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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.