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Finding the Fourth Proportional to 569,500.91, 785,919.66 and 385,795.67

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Solution

The fourth proportional to 569,500.91, 785,919.66 and 385,795.67 is: 532,403.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,500.91 : 785,919.66 = 385,795.67 : x
  2. Step 2: Convert to fraction form
    569,500.91/785,919.66 = 385,795.67/x
  3. Step 3: Cross multiply
    569,500.91x = 785,919.66 × 385,795.67
  4. Step 4: Simplify right side
    569,500.91x = 303,204,396,700.87
  5. Step 5: Solve for x
    x = 303,204,396,700.87/569,500.91
  6. Step 6: Final answer
    x = 532,403.71

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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.