Home / 668,966.40-1,003,449.60-444,628.80

Finding the Fourth Proportional to 668,966.40, 1,003,449.60 and 444,628.80

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Solution

The fourth proportional to 668,966.40, 1,003,449.60 and 444,628.80 is: 666,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,966.40 : 1,003,449.60 = 444,628.80 : x
  2. Step 2: Convert to fraction form
    668,966.40/1,003,449.60 = 444,628.80/x
  3. Step 3: Cross multiply
    668,966.40x = 1,003,449.60 × 444,628.80
  4. Step 4: Simplify right side
    668,966.40x = 446,162,591,508.48
  5. Step 5: Solve for x
    x = 446,162,591,508.48/668,966.40
  6. Step 6: Final answer
    x = 666,943.20

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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.