Home / 827,104.80-1,240,365.60-378,040.80

Finding the Fourth Proportional to 827,104.80, 1,240,365.60 and 378,040.80

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Solution

The fourth proportional to 827,104.80, 1,240,365.60 and 378,040.80 is: 566,927.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,104.80 : 1,240,365.60 = 378,040.80 : x
  2. Step 2: Convert to fraction form
    827,104.80/1,240,365.60 = 378,040.80/x
  3. Step 3: Cross multiply
    827,104.80x = 1,240,365.60 × 378,040.80
  4. Step 4: Simplify right side
    827,104.80x = 468,908,803,716.48
  5. Step 5: Solve for x
    x = 468,908,803,716.48/827,104.80
  6. Step 6: Final answer
    x = 566,927.92

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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.