Home / 850,903.34-1,276,731.92-445,999.32

Finding the Fourth Proportional to 850,903.34, 1,276,731.92 and 445,999.32

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Solution

The fourth proportional to 850,903.34, 1,276,731.92 and 445,999.32 is: 669,196.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,903.34 : 1,276,731.92 = 445,999.32 : x
  2. Step 2: Convert to fraction form
    850,903.34/1,276,731.92 = 445,999.32/x
  3. Step 3: Cross multiply
    850,903.34x = 1,276,731.92 × 445,999.32
  4. Step 4: Simplify right side
    850,903.34x = 569,421,568,142.29
  5. Step 5: Solve for x
    x = 569,421,568,142.29/850,903.34
  6. Step 6: Final answer
    x = 669,196.54

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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.