Home / 669,974.40-1,003,406.40-654,422.40

Finding the Fourth Proportional to 669,974.40, 1,003,406.40 and 654,422.40

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Solution

The fourth proportional to 669,974.40, 1,003,406.40 and 654,422.40 is: 980,114.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,974.40 : 1,003,406.40 = 654,422.40 : x
  2. Step 2: Convert to fraction form
    669,974.40/1,003,406.40 = 654,422.40/x
  3. Step 3: Cross multiply
    669,974.40x = 1,003,406.40 × 654,422.40
  4. Step 4: Simplify right side
    669,974.40x = 656,651,624,463.36
  5. Step 5: Solve for x
    x = 656,651,624,463.36/669,974.40
  6. Step 6: Final answer
    x = 980,114.50

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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.