Home / 869,596.30-1,304,483.82-300,976.47

Finding the Fourth Proportional to 869,596.30, 1,304,483.82 and 300,976.47

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Solution

The fourth proportional to 869,596.30, 1,304,483.82 and 300,976.47 is: 451,495.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,596.30 : 1,304,483.82 = 300,976.47 : x
  2. Step 2: Convert to fraction form
    869,596.30/1,304,483.82 = 300,976.47/x
  3. Step 3: Cross multiply
    869,596.30x = 1,304,483.82 × 300,976.47
  4. Step 4: Simplify right side
    869,596.30x = 392,618,935,315.72
  5. Step 5: Solve for x
    x = 392,618,935,315.72/869,596.30
  6. Step 6: Final answer
    x = 451,495.64

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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.