Home / 830,628.27-1,246,046.22-325,124.01

Finding the Fourth Proportional to 830,628.27, 1,246,046.22 and 325,124.01

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Solution

The fourth proportional to 830,628.27, 1,246,046.22 and 325,124.01 is: 487,726.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,628.27 : 1,246,046.22 = 325,124.01 : x
  2. Step 2: Convert to fraction form
    830,628.27/1,246,046.22 = 325,124.01/x
  3. Step 3: Cross multiply
    830,628.27x = 1,246,046.22 × 325,124.01
  4. Step 4: Simplify right side
    830,628.27x = 405,119,543,691.74
  5. Step 5: Solve for x
    x = 405,119,543,691.74/830,628.27
  6. Step 6: Final answer
    x = 487,726.65

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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.