Home / 763,344.35-1,053,374.05-423,790.73

Finding the Fourth Proportional to 763,344.35, 1,053,374.05 and 423,790.73

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Solution

The fourth proportional to 763,344.35, 1,053,374.05 and 423,790.73 is: 584,808.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,344.35 : 1,053,374.05 = 423,790.73 : x
  2. Step 2: Convert to fraction form
    763,344.35/1,053,374.05 = 423,790.73/x
  3. Step 3: Cross multiply
    763,344.35x = 1,053,374.05 × 423,790.73
  4. Step 4: Simplify right side
    763,344.35x = 446,410,157,612.56
  5. Step 5: Solve for x
    x = 446,410,157,612.56/763,344.35
  6. Step 6: Final answer
    x = 584,808.36

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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.