Home / 793,641.24-1,190,455.38-320,319.36

Finding the Fourth Proportional to 793,641.24, 1,190,455.38 and 320,319.36

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Solution

The fourth proportional to 793,641.24, 1,190,455.38 and 320,319.36 is: 480,476.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,641.24 : 1,190,455.38 = 320,319.36 : x
  2. Step 2: Convert to fraction form
    793,641.24/1,190,455.38 = 320,319.36/x
  3. Step 3: Cross multiply
    793,641.24x = 1,190,455.38 × 320,319.36
  4. Step 4: Simplify right side
    793,641.24x = 381,325,905,430.16
  5. Step 5: Solve for x
    x = 381,325,905,430.16/793,641.24
  6. Step 6: Final answer
    x = 480,476.42

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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.