Home / 793,730.40-1,190,220-307,640.22

Finding the Fourth Proportional to 793,730.40, 1,190,220 and 307,640.22

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Solution

The fourth proportional to 793,730.40, 1,190,220 and 307,640.22 is: 461,314.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,730.40 : 1,190,220 = 307,640.22 : x
  2. Step 2: Convert to fraction form
    793,730.40/1,190,220 = 307,640.22/x
  3. Step 3: Cross multiply
    793,730.40x = 1,190,220 × 307,640.22
  4. Step 4: Simplify right side
    793,730.40x = 366,159,542,648.40
  5. Step 5: Solve for x
    x = 366,159,542,648.40/793,730.40
  6. Step 6: Final answer
    x = 461,314.75

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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.