Home / 721,864.60-1,082,942.70-248,597.80

Finding the Fourth Proportional to 721,864.60, 1,082,942.70 and 248,597.80

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Solution

The fourth proportional to 721,864.60, 1,082,942.70 and 248,597.80 is: 372,946.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,864.60 : 1,082,942.70 = 248,597.80 : x
  2. Step 2: Convert to fraction form
    721,864.60/1,082,942.70 = 248,597.80/x
  3. Step 3: Cross multiply
    721,864.60x = 1,082,942.70 × 248,597.80
  4. Step 4: Simplify right side
    721,864.60x = 269,217,172,746.06
  5. Step 5: Solve for x
    x = 269,217,172,746.06/721,864.60
  6. Step 6: Final answer
    x = 372,946.91

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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.