Home / 645,351.24-968,004.99-245,977.50

Finding the Fourth Proportional to 645,351.24, 968,004.99 and 245,977.50

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Solution

The fourth proportional to 645,351.24, 968,004.99 and 245,977.50 is: 368,957.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,351.24 : 968,004.99 = 245,977.50 : x
  2. Step 2: Convert to fraction form
    645,351.24/968,004.99 = 245,977.50/x
  3. Step 3: Cross multiply
    645,351.24x = 968,004.99 × 245,977.50
  4. Step 4: Simplify right side
    645,351.24x = 238,107,447,427.73
  5. Step 5: Solve for x
    x = 238,107,447,427.73/645,351.24
  6. Step 6: Final answer
    x = 368,957.91

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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.