Home / 701,988.71-1,053,114.32-281,297.39

Finding the Fourth Proportional to 701,988.71, 1,053,114.32 and 281,297.39

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Solution

The fourth proportional to 701,988.71, 1,053,114.32 and 281,297.39 is: 421,998.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,988.71 : 1,053,114.32 = 281,297.39 : x
  2. Step 2: Convert to fraction form
    701,988.71/1,053,114.32 = 281,297.39/x
  3. Step 3: Cross multiply
    701,988.71x = 1,053,114.32 × 281,297.39
  4. Step 4: Simplify right side
    701,988.71x = 296,238,309,587.63
  5. Step 5: Solve for x
    x = 296,238,309,587.63/701,988.71
  6. Step 6: Final answer
    x = 421,998.68

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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.