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Finding the Fourth Proportional to 526,396.86, 726,432.03 and 300,056.94

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Solution

The fourth proportional to 526,396.86, 726,432.03 and 300,056.94 is: 414,081.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,396.86 : 726,432.03 = 300,056.94 : x
  2. Step 2: Convert to fraction form
    526,396.86/726,432.03 = 300,056.94/x
  3. Step 3: Cross multiply
    526,396.86x = 726,432.03 × 300,056.94
  4. Step 4: Simplify right side
    526,396.86x = 217,970,972,039.79
  5. Step 5: Solve for x
    x = 217,970,972,039.79/526,396.86
  6. Step 6: Final answer
    x = 414,081.06

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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.