Home / 862,355.36-1,293,056.92-400,229.51

Finding the Fourth Proportional to 862,355.36, 1,293,056.92 and 400,229.51

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Solution

The fourth proportional to 862,355.36, 1,293,056.92 and 400,229.51 is: 600,123.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,355.36 : 1,293,056.92 = 400,229.51 : x
  2. Step 2: Convert to fraction form
    862,355.36/1,293,056.92 = 400,229.51/x
  3. Step 3: Cross multiply
    862,355.36x = 1,293,056.92 × 400,229.51
  4. Step 4: Simplify right side
    862,355.36x = 517,519,529,277.42
  5. Step 5: Solve for x
    x = 517,519,529,277.42/862,355.36
  6. Step 6: Final answer
    x = 600,123.28

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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.