Home / 894,658.19-1,342,111.89-287,464.77

Finding the Fourth Proportional to 894,658.19, 1,342,111.89 and 287,464.77

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Solution

The fourth proportional to 894,658.19, 1,342,111.89 and 287,464.77 is: 431,237.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,658.19 : 1,342,111.89 = 287,464.77 : x
  2. Step 2: Convert to fraction form
    894,658.19/1,342,111.89 = 287,464.77/x
  3. Step 3: Cross multiply
    894,658.19x = 1,342,111.89 × 287,464.77
  4. Step 4: Simplify right side
    894,658.19x = 385,809,885,773.12
  5. Step 5: Solve for x
    x = 385,809,885,773.12/894,658.19
  6. Step 6: Final answer
    x = 431,237.19

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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.