Home / 792,641.16-1,189,182.06-319,215.60

Finding the Fourth Proportional to 792,641.16, 1,189,182.06 and 319,215.60

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Solution

The fourth proportional to 792,641.16, 1,189,182.06 and 319,215.60 is: 478,912.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,641.16 : 1,189,182.06 = 319,215.60 : x
  2. Step 2: Convert to fraction form
    792,641.16/1,189,182.06 = 319,215.60/x
  3. Step 3: Cross multiply
    792,641.16x = 1,189,182.06 × 319,215.60
  4. Step 4: Simplify right side
    792,641.16x = 379,605,464,792.14
  5. Step 5: Solve for x
    x = 379,605,464,792.14/792,641.16
  6. Step 6: Final answer
    x = 478,912.13

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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.