Home / 729,385.89-1,094,567.42-256,072.65

Finding the Fourth Proportional to 729,385.89, 1,094,567.42 and 256,072.65

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Solution

The fourth proportional to 729,385.89, 1,094,567.42 and 256,072.65 is: 384,280.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,385.89 : 1,094,567.42 = 256,072.65 : x
  2. Step 2: Convert to fraction form
    729,385.89/1,094,567.42 = 256,072.65/x
  3. Step 3: Cross multiply
    729,385.89x = 1,094,567.42 × 256,072.65
  4. Step 4: Simplify right side
    729,385.89x = 280,288,779,843.06
  5. Step 5: Solve for x
    x = 280,288,779,843.06/729,385.89
  6. Step 6: Final answer
    x = 384,280.51

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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.