Home / 856,544.44-1,284,379.18-316,773.40

Finding the Fourth Proportional to 856,544.44, 1,284,379.18 and 316,773.40

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Solution

The fourth proportional to 856,544.44, 1,284,379.18 and 316,773.40 is: 474,998.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,544.44 : 1,284,379.18 = 316,773.40 : x
  2. Step 2: Convert to fraction form
    856,544.44/1,284,379.18 = 316,773.40/x
  3. Step 3: Cross multiply
    856,544.44x = 1,284,379.18 × 316,773.40
  4. Step 4: Simplify right side
    856,544.44x = 406,857,159,737.81
  5. Step 5: Solve for x
    x = 406,857,159,737.81/856,544.44
  6. Step 6: Final answer
    x = 474,998.31

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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.