Home / 689,904.80-1,034,857.20-606,960.80

Finding the Fourth Proportional to 689,904.80, 1,034,857.20 and 606,960.80

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Solution

The fourth proportional to 689,904.80, 1,034,857.20 and 606,960.80 is: 910,441.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,904.80 : 1,034,857.20 = 606,960.80 : x
  2. Step 2: Convert to fraction form
    689,904.80/1,034,857.20 = 606,960.80/x
  3. Step 3: Cross multiply
    689,904.80x = 1,034,857.20 × 606,960.80
  4. Step 4: Simplify right side
    689,904.80x = 628,117,753,997.76
  5. Step 5: Solve for x
    x = 628,117,753,997.76/689,904.80
  6. Step 6: Final answer
    x = 910,441.20

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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.