Home / 830,493.01-1,245,621.26-261,800.29

Finding the Fourth Proportional to 830,493.01, 1,245,621.26 and 261,800.29

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Solution

The fourth proportional to 830,493.01, 1,245,621.26 and 261,800.29 is: 392,663.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,493.01 : 1,245,621.26 = 261,800.29 : x
  2. Step 2: Convert to fraction form
    830,493.01/1,245,621.26 = 261,800.29/x
  3. Step 3: Cross multiply
    830,493.01x = 1,245,621.26 × 261,800.29
  4. Step 4: Simplify right side
    830,493.01x = 326,104,005,789.16
  5. Step 5: Solve for x
    x = 326,104,005,789.16/830,493.01
  6. Step 6: Final answer
    x = 392,663.16

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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.