Home / 670,337.82-1,004,160.44-310,003.61

Finding the Fourth Proportional to 670,337.82, 1,004,160.44 and 310,003.61

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Solution

The fourth proportional to 670,337.82, 1,004,160.44 and 310,003.61 is: 464,382.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,337.82 : 1,004,160.44 = 310,003.61 : x
  2. Step 2: Convert to fraction form
    670,337.82/1,004,160.44 = 310,003.61/x
  3. Step 3: Cross multiply
    670,337.82x = 1,004,160.44 × 310,003.61
  4. Step 4: Simplify right side
    670,337.82x = 311,293,354,848.37
  5. Step 5: Solve for x
    x = 311,293,354,848.37/670,337.82
  6. Step 6: Final answer
    x = 464,382.80

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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.