Home / 715,857.98-1,074,565.04-289,687.22

Finding the Fourth Proportional to 715,857.98, 1,074,565.04 and 289,687.22

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Solution

The fourth proportional to 715,857.98, 1,074,565.04 and 289,687.22 is: 434,845.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,857.98 : 1,074,565.04 = 289,687.22 : x
  2. Step 2: Convert to fraction form
    715,857.98/1,074,565.04 = 289,687.22/x
  3. Step 3: Cross multiply
    715,857.98x = 1,074,565.04 × 289,687.22
  4. Step 4: Simplify right side
    715,857.98x = 311,287,752,325.53
  5. Step 5: Solve for x
    x = 311,287,752,325.53/715,857.98
  6. Step 6: Final answer
    x = 434,845.68

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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.