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Finding the Fourth Proportional to 508,507.02, 701,759.97 and 279,072.36

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Solution

The fourth proportional to 508,507.02, 701,759.97 and 279,072.36 is: 385,130.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,507.02 : 701,759.97 = 279,072.36 : x
  2. Step 2: Convert to fraction form
    508,507.02/701,759.97 = 279,072.36/x
  3. Step 3: Cross multiply
    508,507.02x = 701,759.97 × 279,072.36
  4. Step 4: Simplify right side
    508,507.02x = 195,841,810,981.43
  5. Step 5: Solve for x
    x = 195,841,810,981.43/508,507.02
  6. Step 6: Final answer
    x = 385,130.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.