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Finding the Fourth Proportional to 970,735.78, 1,456,759.77 and 339,655.06

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Solution

The fourth proportional to 970,735.78, 1,456,759.77 and 339,655.06 is: 509,712.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,735.78 : 1,456,759.77 = 339,655.06 : x
  2. Step 2: Convert to fraction form
    970,735.78/1,456,759.77 = 339,655.06/x
  3. Step 3: Cross multiply
    970,735.78x = 1,456,759.77 × 339,655.06
  4. Step 4: Simplify right side
    970,735.78x = 494,795,827,084.94
  5. Step 5: Solve for x
    x = 494,795,827,084.94/970,735.78
  6. Step 6: Final answer
    x = 509,712.16

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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.