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Finding the Fourth Proportional to 628,150.34, 866,924.44 and 370,013.94

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Solution

The fourth proportional to 628,150.34, 866,924.44 and 370,013.94 is: 510,664.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,150.34 : 866,924.44 = 370,013.94 : x
  2. Step 2: Convert to fraction form
    628,150.34/866,924.44 = 370,013.94/x
  3. Step 3: Cross multiply
    628,150.34x = 866,924.44 × 370,013.94
  4. Step 4: Simplify right side
    628,150.34x = 320,774,126,801.66
  5. Step 5: Solve for x
    x = 320,774,126,801.66/628,150.34
  6. Step 6: Final answer
    x = 510,664.57

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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.