Home / 850,899.59-1,276,726.29-445,995.57

Finding the Fourth Proportional to 850,899.59, 1,276,726.29 and 445,995.57

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Solution

The fourth proportional to 850,899.59, 1,276,726.29 and 445,995.57 is: 669,190.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,899.59 : 1,276,726.29 = 445,995.57 : x
  2. Step 2: Convert to fraction form
    850,899.59/1,276,726.29 = 445,995.57/x
  3. Step 3: Cross multiply
    850,899.59x = 1,276,726.29 × 445,995.57
  4. Step 4: Simplify right side
    850,899.59x = 569,414,269,096.20
  5. Step 5: Solve for x
    x = 569,414,269,096.20/850,899.59
  6. Step 6: Final answer
    x = 669,190.91

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1.5x scale

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.