Home / 689,874.30-1,034,811.45-606,930.30

Finding the Fourth Proportional to 689,874.30, 1,034,811.45 and 606,930.30

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Solution

The fourth proportional to 689,874.30, 1,034,811.45 and 606,930.30 is: 910,395.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,874.30 : 1,034,811.45 = 606,930.30 : x
  2. Step 2: Convert to fraction form
    689,874.30/1,034,811.45 = 606,930.30/x
  3. Step 3: Cross multiply
    689,874.30x = 1,034,811.45 × 606,930.30
  4. Step 4: Simplify right side
    689,874.30x = 628,058,423,791.94
  5. Step 5: Solve for x
    x = 628,058,423,791.94/689,874.30
  6. Step 6: Final answer
    x = 910,395.45

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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.