Home / 440,704.08-607,947.77-287,831.83

Finding the Fourth Proportional to 440,704.08, 607,947.77 and 287,831.83

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Solution

The fourth proportional to 440,704.08, 607,947.77 and 287,831.83 is: 397,061.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,704.08 : 607,947.77 = 287,831.83 : x
  2. Step 2: Convert to fraction form
    440,704.08/607,947.77 = 287,831.83/x
  3. Step 3: Cross multiply
    440,704.08x = 607,947.77 × 287,831.83
  4. Step 4: Simplify right side
    440,704.08x = 174,986,719,183.52
  5. Step 5: Solve for x
    x = 174,986,719,183.52/440,704.08
  6. Step 6: Final answer
    x = 397,061.72

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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.