Home / 802,288.46-1,107,166.75-439,704.52

Finding the Fourth Proportional to 802,288.46, 1,107,166.75 and 439,704.52

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Solution

The fourth proportional to 802,288.46, 1,107,166.75 and 439,704.52 is: 606,796.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,288.46 : 1,107,166.75 = 439,704.52 : x
  2. Step 2: Convert to fraction form
    802,288.46/1,107,166.75 = 439,704.52/x
  3. Step 3: Cross multiply
    802,288.46x = 1,107,166.75 × 439,704.52
  4. Step 4: Simplify right side
    802,288.46x = 486,826,220,501.53
  5. Step 5: Solve for x
    x = 486,826,220,501.53/802,288.46
  6. Step 6: Final answer
    x = 606,796.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.