Home / 766,627.50-1,057,901.94-439,871.34

Finding the Fourth Proportional to 766,627.50, 1,057,901.94 and 439,871.34

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Solution

The fourth proportional to 766,627.50, 1,057,901.94 and 439,871.34 is: 606,997.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,627.50 : 1,057,901.94 = 439,871.34 : x
  2. Step 2: Convert to fraction form
    766,627.50/1,057,901.94 = 439,871.34/x
  3. Step 3: Cross multiply
    766,627.50x = 1,057,901.94 × 439,871.34
  4. Step 4: Simplify right side
    766,627.50x = 465,340,743,936.40
  5. Step 5: Solve for x
    x = 465,340,743,936.40/766,627.50
  6. Step 6: Final answer
    x = 606,997.20

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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.