Home / 790,729.80-1,183,329.90-724,374.60

Finding the Fourth Proportional to 790,729.80, 1,183,329.90 and 724,374.60

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Solution

The fourth proportional to 790,729.80, 1,183,329.90 and 724,374.60 is: 1,084,029.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,729.80 : 1,183,329.90 = 724,374.60 : x
  2. Step 2: Convert to fraction form
    790,729.80/1,183,329.90 = 724,374.60/x
  3. Step 3: Cross multiply
    790,729.80x = 1,183,329.90 × 724,374.60
  4. Step 4: Simplify right side
    790,729.80x = 857,174,122,980.54
  5. Step 5: Solve for x
    x = 857,174,122,980.54/790,729.80
  6. Step 6: Final answer
    x = 1,084,029.11

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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.