Home / 566,919.55-782,350.05-308,795.70

Finding the Fourth Proportional to 566,919.55, 782,350.05 and 308,795.70

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Solution

The fourth proportional to 566,919.55, 782,350.05 and 308,795.70 is: 426,138.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,919.55 : 782,350.05 = 308,795.70 : x
  2. Step 2: Convert to fraction form
    566,919.55/782,350.05 = 308,795.70/x
  3. Step 3: Cross multiply
    566,919.55x = 782,350.05 × 308,795.70
  4. Step 4: Simplify right side
    566,919.55x = 241,586,331,334.79
  5. Step 5: Solve for x
    x = 241,586,331,334.79/566,919.55
  6. Step 6: Final answer
    x = 426,138.65

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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.