Home / 670,604.30-1,005,906.45-404,227.70

Finding the Fourth Proportional to 670,604.30, 1,005,906.45 and 404,227.70

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Solution

The fourth proportional to 670,604.30, 1,005,906.45 and 404,227.70 is: 606,341.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,604.30 : 1,005,906.45 = 404,227.70 : x
  2. Step 2: Convert to fraction form
    670,604.30/1,005,906.45 = 404,227.70/x
  3. Step 3: Cross multiply
    670,604.30x = 1,005,906.45 × 404,227.70
  4. Step 4: Simplify right side
    670,604.30x = 406,615,250,698.67
  5. Step 5: Solve for x
    x = 406,615,250,698.67/670,604.30
  6. Step 6: Final answer
    x = 606,341.55

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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.