Home / 474,045.46-654,619.26-304,574.86

Finding the Fourth Proportional to 474,045.46, 654,619.26 and 304,574.86

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Solution

The fourth proportional to 474,045.46, 654,619.26 and 304,574.86 is: 420,593.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,045.46 : 654,619.26 = 304,574.86 : x
  2. Step 2: Convert to fraction form
    474,045.46/654,619.26 = 304,574.86/x
  3. Step 3: Cross multiply
    474,045.46x = 654,619.26 × 304,574.86
  4. Step 4: Simplify right side
    474,045.46x = 199,380,569,467.80
  5. Step 5: Solve for x
    x = 199,380,569,467.80/474,045.46
  6. Step 6: Final answer
    x = 420,593.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.