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Finding the Fourth Proportional to 440,028.49, 607,239.72 and 238,824.49

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Solution

The fourth proportional to 440,028.49, 607,239.72 and 238,824.49 is: 329,578.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,028.49 : 607,239.72 = 238,824.49 : x
  2. Step 2: Convert to fraction form
    440,028.49/607,239.72 = 238,824.49/x
  3. Step 3: Cross multiply
    440,028.49x = 607,239.72 × 238,824.49
  4. Step 4: Simplify right side
    440,028.49x = 145,023,716,436.74
  5. Step 5: Solve for x
    x = 145,023,716,436.74/440,028.49
  6. Step 6: Final answer
    x = 329,578.02

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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.