Home / 484,006.30-726,009-147,045.58

Finding the Fourth Proportional to 484,006.30, 726,009 and 147,045.58

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Solution

The fourth proportional to 484,006.30, 726,009 and 147,045.58 is: 220,568.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,006.30 : 726,009 = 147,045.58 : x
  2. Step 2: Convert to fraction form
    484,006.30/726,009 = 147,045.58/x
  3. Step 3: Cross multiply
    484,006.30x = 726,009 × 147,045.58
  4. Step 4: Simplify right side
    484,006.30x = 106,756,414,490.22
  5. Step 5: Solve for x
    x = 106,756,414,490.22/484,006.30
  6. Step 6: Final answer
    x = 220,568.23

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1.5x scale

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.