Home / 511,167.04-705,381.72-281,723.62

Finding the Fourth Proportional to 511,167.04, 705,381.72 and 281,723.62

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Solution

The fourth proportional to 511,167.04, 705,381.72 and 281,723.62 is: 388,762.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,167.04 : 705,381.72 = 281,723.62 : x
  2. Step 2: Convert to fraction form
    511,167.04/705,381.72 = 281,723.62/x
  3. Step 3: Cross multiply
    511,167.04x = 705,381.72 × 281,723.62
  4. Step 4: Simplify right side
    511,167.04x = 198,722,692,519.94
  5. Step 5: Solve for x
    x = 198,722,692,519.94/511,167.04
  6. Step 6: Final answer
    x = 388,762.73

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1.5x scale

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.