Home / 869,631.05-1,304,456.62-262,424.63

Finding the Fourth Proportional to 869,631.05, 1,304,456.62 and 262,424.63

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Solution

The fourth proportional to 869,631.05, 1,304,456.62 and 262,424.63 is: 393,639.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,631.05 : 1,304,456.62 = 262,424.63 : x
  2. Step 2: Convert to fraction form
    869,631.05/1,304,456.62 = 262,424.63/x
  3. Step 3: Cross multiply
    869,631.05x = 1,304,456.62 × 262,424.63
  4. Step 4: Simplify right side
    869,631.05x = 342,321,541,614.11
  5. Step 5: Solve for x
    x = 342,321,541,614.11/869,631.05
  6. Step 6: Final answer
    x = 393,639.97

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1.5x scale

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.