Home / 825,844.80-1,239,496.20-488,463.60

Finding the Fourth Proportional to 825,844.80, 1,239,496.20 and 488,463.60

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Solution

The fourth proportional to 825,844.80, 1,239,496.20 and 488,463.60 is: 733,126.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,844.80 : 1,239,496.20 = 488,463.60 : x
  2. Step 2: Convert to fraction form
    825,844.80/1,239,496.20 = 488,463.60/x
  3. Step 3: Cross multiply
    825,844.80x = 1,239,496.20 × 488,463.60
  4. Step 4: Simplify right side
    825,844.80x = 605,448,776,038.32
  5. Step 5: Solve for x
    x = 605,448,776,038.32/825,844.80
  6. Step 6: Final answer
    x = 733,126.58

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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.