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Finding the Fourth Proportional to 605,720.60, 906,831.30 and 369,524.60

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Solution

The fourth proportional to 605,720.60, 906,831.30 and 369,524.60 is: 553,219.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,720.60 : 906,831.30 = 369,524.60 : x
  2. Step 2: Convert to fraction form
    605,720.60/906,831.30 = 369,524.60/x
  3. Step 3: Cross multiply
    605,720.60x = 906,831.30 × 369,524.60
  4. Step 4: Simplify right side
    605,720.60x = 335,096,473,399.98
  5. Step 5: Solve for x
    x = 335,096,473,399.98/605,720.60
  6. Step 6: Final answer
    x = 553,219.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.