Home / 872,304.21-1,308,784.50-303,727.95

Finding the Fourth Proportional to 872,304.21, 1,308,784.50 and 303,727.95

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Solution

The fourth proportional to 872,304.21, 1,308,784.50 and 303,727.95 is: 455,706.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,304.21 : 1,308,784.50 = 303,727.95 : x
  2. Step 2: Convert to fraction form
    872,304.21/1,308,784.50 = 303,727.95/x
  3. Step 3: Cross multiply
    872,304.21x = 1,308,784.50 × 303,727.95
  4. Step 4: Simplify right side
    872,304.21x = 397,514,433,176.78
  5. Step 5: Solve for x
    x = 397,514,433,176.78/872,304.21
  6. Step 6: Final answer
    x = 455,706.20

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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.