Home / 566,811.96-782,134.02-321,780.48

Finding the Fourth Proportional to 566,811.96, 782,134.02 and 321,780.48

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Solution

The fourth proportional to 566,811.96, 782,134.02 and 321,780.48 is: 444,019.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,811.96 : 782,134.02 = 321,780.48 : x
  2. Step 2: Convert to fraction form
    566,811.96/782,134.02 = 321,780.48/x
  3. Step 3: Cross multiply
    566,811.96x = 782,134.02 × 321,780.48
  4. Step 4: Simplify right side
    566,811.96x = 251,675,460,379.93
  5. Step 5: Solve for x
    x = 251,675,460,379.93/566,811.96
  6. Step 6: Final answer
    x = 444,019.32

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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.