Home / 793,011.72-1,189,750.86-319,453.32

Finding the Fourth Proportional to 793,011.72, 1,189,750.86 and 319,453.32

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Solution

The fourth proportional to 793,011.72, 1,189,750.86 and 319,453.32 is: 479,273.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,011.72 : 1,189,750.86 = 319,453.32 : x
  2. Step 2: Convert to fraction form
    793,011.72/1,189,750.86 = 319,453.32/x
  3. Step 3: Cross multiply
    793,011.72x = 1,189,750.86 × 319,453.32
  4. Step 4: Simplify right side
    793,011.72x = 380,069,862,199.86
  5. Step 5: Solve for x
    x = 380,069,862,199.86/793,011.72
  6. Step 6: Final answer
    x = 479,273.95

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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.