Home / 790,804.80-1,183,442.40-724,449.60

Finding the Fourth Proportional to 790,804.80, 1,183,442.40 and 724,449.60

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Solution

The fourth proportional to 790,804.80, 1,183,442.40 and 724,449.60 is: 1,084,141.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,804.80 : 1,183,442.40 = 724,449.60 : x
  2. Step 2: Convert to fraction form
    790,804.80/1,183,442.40 = 724,449.60/x
  3. Step 3: Cross multiply
    790,804.80x = 1,183,442.40 × 724,449.60
  4. Step 4: Simplify right side
    790,804.80x = 857,344,373,303.04
  5. Step 5: Solve for x
    x = 857,344,373,303.04/790,804.80
  6. Step 6: Final answer
    x = 1,084,141.59

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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.