Home / 739,852.20-1,110,296.70-319,429.80

Finding the Fourth Proportional to 739,852.20, 1,110,296.70 and 319,429.80

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Solution

The fourth proportional to 739,852.20, 1,110,296.70 and 319,429.80 is: 479,368.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,852.20 : 1,110,296.70 = 319,429.80 : x
  2. Step 2: Convert to fraction form
    739,852.20/1,110,296.70 = 319,429.80/x
  3. Step 3: Cross multiply
    739,852.20x = 1,110,296.70 × 319,429.80
  4. Step 4: Simplify right side
    739,852.20x = 354,661,852,821.66
  5. Step 5: Solve for x
    x = 354,661,852,821.66/739,852.20
  6. Step 6: Final answer
    x = 479,368.52

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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.