Home / 828,454.50-1,242,696.87-259,822.89

Finding the Fourth Proportional to 828,454.50, 1,242,696.87 and 259,822.89

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Solution

The fourth proportional to 828,454.50, 1,242,696.87 and 259,822.89 is: 389,739.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,454.50 : 1,242,696.87 = 259,822.89 : x
  2. Step 2: Convert to fraction form
    828,454.50/1,242,696.87 = 259,822.89/x
  3. Step 3: Cross multiply
    828,454.50x = 1,242,696.87 × 259,822.89
  4. Step 4: Simplify right side
    828,454.50x = 322,881,092,157.35
  5. Step 5: Solve for x
    x = 322,881,092,157.35/828,454.50
  6. Step 6: Final answer
    x = 389,739.08

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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.