Home / 873,820.79-1,310,777.90-274,828.66

Finding the Fourth Proportional to 873,820.79, 1,310,777.90 and 274,828.66

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Solution

The fourth proportional to 873,820.79, 1,310,777.90 and 274,828.66 is: 412,257.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,820.79 : 1,310,777.90 = 274,828.66 : x
  2. Step 2: Convert to fraction form
    873,820.79/1,310,777.90 = 274,828.66/x
  3. Step 3: Cross multiply
    873,820.79x = 1,310,777.90 × 274,828.66
  4. Step 4: Simplify right side
    873,820.79x = 360,239,336,140.16
  5. Step 5: Solve for x
    x = 360,239,336,140.16/873,820.79
  6. Step 6: Final answer
    x = 412,257.68

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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.