Home / 808,723.84-1,213,905.60-729,297.28

Finding the Fourth Proportional to 808,723.84, 1,213,905.60 and 729,297.28

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Solution

The fourth proportional to 808,723.84, 1,213,905.60 and 729,297.28 is: 1,094,685.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,723.84 : 1,213,905.60 = 729,297.28 : x
  2. Step 2: Convert to fraction form
    808,723.84/1,213,905.60 = 729,297.28/x
  3. Step 3: Cross multiply
    808,723.84x = 1,213,905.60 × 729,297.28
  4. Step 4: Simplify right side
    808,723.84x = 885,298,052,256.77
  5. Step 5: Solve for x
    x = 885,298,052,256.77/808,723.84
  6. Step 6: Final answer
    x = 1,094,685.24

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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.