Home / 828,237.83-1,242,320.61-259,605.96

Finding the Fourth Proportional to 828,237.83, 1,242,320.61 and 259,605.96

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Solution

The fourth proportional to 828,237.83, 1,242,320.61 and 259,605.96 is: 389,397.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,237.83 : 1,242,320.61 = 259,605.96 : x
  2. Step 2: Convert to fraction form
    828,237.83/1,242,320.61 = 259,605.96/x
  3. Step 3: Cross multiply
    828,237.83x = 1,242,320.61 × 259,605.96
  4. Step 4: Simplify right side
    828,237.83x = 322,513,827,077.20
  5. Step 5: Solve for x
    x = 322,513,827,077.20/828,237.83
  6. Step 6: Final answer
    x = 389,397.61

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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.