Home / 989,615.20-1,484,228.40-324,767.20

Finding the Fourth Proportional to 989,615.20, 1,484,228.40 and 324,767.20

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Solution

The fourth proportional to 989,615.20, 1,484,228.40 and 324,767.20 is: 487,087.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,615.20 : 1,484,228.40 = 324,767.20 : x
  2. Step 2: Convert to fraction form
    989,615.20/1,484,228.40 = 324,767.20/x
  3. Step 3: Cross multiply
    989,615.20x = 1,484,228.40 × 324,767.20
  4. Step 4: Simplify right side
    989,615.20x = 482,028,701,628.48
  5. Step 5: Solve for x
    x = 482,028,701,628.48/989,615.20
  6. Step 6: Final answer
    x = 487,087.00

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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.