Home / 319,026.22-476,776.72-300,589.80

Finding the Fourth Proportional to 319,026.22, 476,776.72 and 300,589.80

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Solution

The fourth proportional to 319,026.22, 476,776.72 and 300,589.80 is: 449,223.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,026.22 : 476,776.72 = 300,589.80 : x
  2. Step 2: Convert to fraction form
    319,026.22/476,776.72 = 300,589.80/x
  3. Step 3: Cross multiply
    319,026.22x = 476,776.72 × 300,589.80
  4. Step 4: Simplify right side
    319,026.22x = 143,314,218,909.46
  5. Step 5: Solve for x
    x = 143,314,218,909.46/319,026.22
  6. Step 6: Final answer
    x = 449,223.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.