Home / 850,901.34-1,276,728.92-445,997.32

Finding the Fourth Proportional to 850,901.34, 1,276,728.92 and 445,997.32

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Solution

The fourth proportional to 850,901.34, 1,276,728.92 and 445,997.32 is: 669,193.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,901.34 : 1,276,728.92 = 445,997.32 : x
  2. Step 2: Convert to fraction form
    850,901.34/1,276,728.92 = 445,997.32/x
  3. Step 3: Cross multiply
    850,901.34x = 1,276,728.92 × 445,997.32
  4. Step 4: Simplify right side
    850,901.34x = 569,417,676,686.49
  5. Step 5: Solve for x
    x = 569,417,676,686.49/850,901.34
  6. Step 6: Final answer
    x = 669,193.54

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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.