Home / 838,423.89-1,257,656.48-305,944.79

Finding the Fourth Proportional to 838,423.89, 1,257,656.48 and 305,944.79

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Solution

The fourth proportional to 838,423.89, 1,257,656.48 and 305,944.79 is: 458,924.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,423.89 : 1,257,656.48 = 305,944.79 : x
  2. Step 2: Convert to fraction form
    838,423.89/1,257,656.48 = 305,944.79/x
  3. Step 3: Cross multiply
    838,423.89x = 1,257,656.48 × 305,944.79
  4. Step 4: Simplify right side
    838,423.89x = 384,773,439,847.73
  5. Step 5: Solve for x
    x = 384,773,439,847.73/838,423.89
  6. Step 6: Final answer
    x = 458,924.71

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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.