Home / 808,595.32-1,213,014.30-261,305.32

Finding the Fourth Proportional to 808,595.32, 1,213,014.30 and 261,305.32

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Solution

The fourth proportional to 808,595.32, 1,213,014.30 and 261,305.32 is: 391,997.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,595.32 : 1,213,014.30 = 261,305.32 : x
  2. Step 2: Convert to fraction form
    808,595.32/1,213,014.30 = 261,305.32/x
  3. Step 3: Cross multiply
    808,595.32x = 1,213,014.30 × 261,305.32
  4. Step 4: Simplify right side
    808,595.32x = 316,967,089,826.08
  5. Step 5: Solve for x
    x = 316,967,089,826.08/808,595.32
  6. Step 6: Final answer
    x = 391,997.19

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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.