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Finding the Fourth Proportional to 426,560, 588,652.80 and 247,723.52

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Solution

The fourth proportional to 426,560, 588,652.80 and 247,723.52 is: 341,858.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,560 : 588,652.80 = 247,723.52 : x
  2. Step 2: Convert to fraction form
    426,560/588,652.80 = 247,723.52/x
  3. Step 3: Cross multiply
    426,560x = 588,652.80 × 247,723.52
  4. Step 4: Simplify right side
    426,560x = 145,823,143,673.86
  5. Step 5: Solve for x
    x = 145,823,143,673.86/426,560
  6. Step 6: Final answer
    x = 341,858.46

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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.