Home / 1,003,398.28-1,384,688.50-550,690.44

Finding the Fourth Proportional to 1,003,398.28, 1,384,688.50 and 550,690.44

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Solution

The fourth proportional to 1,003,398.28, 1,384,688.50 and 550,690.44 is: 759,952.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,398.28 : 1,384,688.50 = 550,690.44 : x
  2. Step 2: Convert to fraction form
    1,003,398.28/1,384,688.50 = 550,690.44/x
  3. Step 3: Cross multiply
    1,003,398.28x = 1,384,688.50 × 550,690.44
  4. Step 4: Simplify right side
    1,003,398.28x = 762,534,719,327.94
  5. Step 5: Solve for x
    x = 762,534,719,327.94/1,003,398.28
  6. Step 6: Final answer
    x = 759,952.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.