Home / 626,908.59-865,126.22-340,430.73

Finding the Fourth Proportional to 626,908.59, 865,126.22 and 340,430.73

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Solution

The fourth proportional to 626,908.59, 865,126.22 and 340,430.73 is: 469,790.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,908.59 : 865,126.22 = 340,430.73 : x
  2. Step 2: Convert to fraction form
    626,908.59/865,126.22 = 340,430.73/x
  3. Step 3: Cross multiply
    626,908.59x = 865,126.22 × 340,430.73
  4. Step 4: Simplify right side
    626,908.59x = 294,515,548,914.59
  5. Step 5: Solve for x
    x = 294,515,548,914.59/626,908.59
  6. Step 6: Final answer
    x = 469,790.26

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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.