Home / 877,311.72-1,316,092.95-270,151.29

Finding the Fourth Proportional to 877,311.72, 1,316,092.95 and 270,151.29

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Solution

The fourth proportional to 877,311.72, 1,316,092.95 and 270,151.29 is: 405,265.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,311.72 : 1,316,092.95 = 270,151.29 : x
  2. Step 2: Convert to fraction form
    877,311.72/1,316,092.95 = 270,151.29/x
  3. Step 3: Cross multiply
    877,311.72x = 1,316,092.95 × 270,151.29
  4. Step 4: Simplify right side
    877,311.72x = 355,544,208,202.41
  5. Step 5: Solve for x
    x = 355,544,208,202.41/877,311.72
  6. Step 6: Final answer
    x = 405,265.54

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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.