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Finding the Fourth Proportional to 426,544.44, 588,360.98 and 324,345.85

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Solution

The fourth proportional to 426,544.44, 588,360.98 and 324,345.85 is: 447,391.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,544.44 : 588,360.98 = 324,345.85 : x
  2. Step 2: Convert to fraction form
    426,544.44/588,360.98 = 324,345.85/x
  3. Step 3: Cross multiply
    426,544.44x = 588,360.98 × 324,345.85
  4. Step 4: Simplify right side
    426,544.44x = 190,832,442,164.93
  5. Step 5: Solve for x
    x = 190,832,442,164.93/426,544.44
  6. Step 6: Final answer
    x = 447,391.70

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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.