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Finding the Fourth Proportional to 628,004.84, 866,622.53 and 341,525.26

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Solution

The fourth proportional to 628,004.84, 866,622.53 and 341,525.26 is: 471,291.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,004.84 : 866,622.53 = 341,525.26 : x
  2. Step 2: Convert to fraction form
    628,004.84/866,622.53 = 341,525.26/x
  3. Step 3: Cross multiply
    628,004.84x = 866,622.53 × 341,525.26
  4. Step 4: Simplify right side
    628,004.84x = 295,973,478,839.37
  5. Step 5: Solve for x
    x = 295,973,478,839.37/628,004.84
  6. Step 6: Final answer
    x = 471,291.72

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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.