Home / 668,300.70-1,002,451.05-628,934.70

Finding the Fourth Proportional to 668,300.70, 1,002,451.05 and 628,934.70

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Solution

The fourth proportional to 668,300.70, 1,002,451.05 and 628,934.70 is: 943,402.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,300.70 : 1,002,451.05 = 628,934.70 : x
  2. Step 2: Convert to fraction form
    668,300.70/1,002,451.05 = 628,934.70/x
  3. Step 3: Cross multiply
    668,300.70x = 1,002,451.05 × 628,934.70
  4. Step 4: Simplify right side
    668,300.70x = 630,476,250,396.44
  5. Step 5: Solve for x
    x = 630,476,250,396.44/668,300.70
  6. Step 6: Final answer
    x = 943,402.05

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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.