Home / 874,178.36-1,310,597.94-274,792.76

Finding the Fourth Proportional to 874,178.36, 1,310,597.94 and 274,792.76

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Solution

The fourth proportional to 874,178.36, 1,310,597.94 and 274,792.76 is: 411,978.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,178.36 : 1,310,597.94 = 274,792.76 : x
  2. Step 2: Convert to fraction form
    874,178.36/1,310,597.94 = 274,792.76/x
  3. Step 3: Cross multiply
    874,178.36x = 1,310,597.94 × 274,792.76
  4. Step 4: Simplify right side
    874,178.36x = 360,142,825,182.91
  5. Step 5: Solve for x
    x = 360,142,825,182.91/874,178.36
  6. Step 6: Final answer
    x = 411,978.66

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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.