Home / 670,606.30-1,005,909.45-404,229.70

Finding the Fourth Proportional to 670,606.30, 1,005,909.45 and 404,229.70

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Solution

The fourth proportional to 670,606.30, 1,005,909.45 and 404,229.70 is: 606,344.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,606.30 : 1,005,909.45 = 404,229.70 : x
  2. Step 2: Convert to fraction form
    670,606.30/1,005,909.45 = 404,229.70/x
  3. Step 3: Cross multiply
    670,606.30x = 1,005,909.45 × 404,229.70
  4. Step 4: Simplify right side
    670,606.30x = 406,618,475,200.67
  5. Step 5: Solve for x
    x = 406,618,475,200.67/670,606.30
  6. Step 6: Final answer
    x = 606,344.55

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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.