Home / 838,473.95-1,257,731.50-305,994.88

Finding the Fourth Proportional to 838,473.95, 1,257,731.50 and 305,994.88

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Solution

The fourth proportional to 838,473.95, 1,257,731.50 and 305,994.88 is: 458,999.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,473.95 : 1,257,731.50 = 305,994.88 : x
  2. Step 2: Convert to fraction form
    838,473.95/1,257,731.50 = 305,994.88/x
  3. Step 3: Cross multiply
    838,473.95x = 1,257,731.50 × 305,994.88
  4. Step 4: Simplify right side
    838,473.95x = 384,859,400,795.64
  5. Step 5: Solve for x
    x = 384,859,400,795.64/838,473.95
  6. Step 6: Final answer
    x = 458,999.83

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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.