Home / 970,739.78-1,456,765.77-339,659.06

Finding the Fourth Proportional to 970,739.78, 1,456,765.77 and 339,659.06

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Solution

The fourth proportional to 970,739.78, 1,456,765.77 and 339,659.06 is: 509,718.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,739.78 : 1,456,765.77 = 339,659.06 : x
  2. Step 2: Convert to fraction form
    970,739.78/1,456,765.77 = 339,659.06/x
  3. Step 3: Cross multiply
    970,739.78x = 1,456,765.77 × 339,659.06
  4. Step 4: Simplify right side
    970,739.78x = 494,803,692,078.38
  5. Step 5: Solve for x
    x = 494,803,692,078.38/970,739.78
  6. Step 6: Final answer
    x = 509,718.16

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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.