Home / 880,048.40-1,319,197.80-405,906.80

Finding the Fourth Proportional to 880,048.40, 1,319,197.80 and 405,906.80

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Solution

The fourth proportional to 880,048.40, 1,319,197.80 and 405,906.80 is: 608,456.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,048.40 : 1,319,197.80 = 405,906.80 : x
  2. Step 2: Convert to fraction form
    880,048.40/1,319,197.80 = 405,906.80/x
  3. Step 3: Cross multiply
    880,048.40x = 1,319,197.80 × 405,906.80
  4. Step 4: Simplify right side
    880,048.40x = 535,471,357,565.04
  5. Step 5: Solve for x
    x = 535,471,357,565.04/880,048.40
  6. Step 6: Final answer
    x = 608,456.71

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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.