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Finding the Fourth Proportional to 500,856.93, 751,372.86 and 220,366.89

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Solution

The fourth proportional to 500,856.93, 751,372.86 and 220,366.89 is: 330,588.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,856.93 : 751,372.86 = 220,366.89 : x
  2. Step 2: Convert to fraction form
    500,856.93/751,372.86 = 220,366.89/x
  3. Step 3: Cross multiply
    500,856.93x = 751,372.86 × 220,366.89
  4. Step 4: Simplify right side
    500,856.93x = 165,577,700,388.61
  5. Step 5: Solve for x
    x = 165,577,700,388.61/500,856.93
  6. Step 6: Final answer
    x = 330,588.82

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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.