Home / 744,221.84-1,114,924.18-439,705.34

Finding the Fourth Proportional to 744,221.84, 1,114,924.18 and 439,705.34

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Solution

The fourth proportional to 744,221.84, 1,114,924.18 and 439,705.34 is: 658,725.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,221.84 : 1,114,924.18 = 439,705.34 : x
  2. Step 2: Convert to fraction form
    744,221.84/1,114,924.18 = 439,705.34/x
  3. Step 3: Cross multiply
    744,221.84x = 1,114,924.18 × 439,705.34
  4. Step 4: Simplify right side
    744,221.84x = 490,238,115,641.12
  5. Step 5: Solve for x
    x = 490,238,115,641.12/744,221.84
  6. Step 6: Final answer
    x = 658,725.78

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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.