Home / 628,894.63-943,489.56-208,170.50

Finding the Fourth Proportional to 628,894.63, 943,489.56 and 208,170.50

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Solution

The fourth proportional to 628,894.63, 943,489.56 and 208,170.50 is: 312,304.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,894.63 : 943,489.56 = 208,170.50 : x
  2. Step 2: Convert to fraction form
    628,894.63/943,489.56 = 208,170.50/x
  3. Step 3: Cross multiply
    628,894.63x = 943,489.56 × 208,170.50
  4. Step 4: Simplify right side
    628,894.63x = 196,406,693,449.98
  5. Step 5: Solve for x
    x = 196,406,693,449.98/628,894.63
  6. Step 6: Final answer
    x = 312,304.61

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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.