Home / 626,998.89-865,263.55-340,521.02

Finding the Fourth Proportional to 626,998.89, 865,263.55 and 340,521.02

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Solution

The fourth proportional to 626,998.89, 865,263.55 and 340,521.02 is: 469,921.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,998.89 : 865,263.55 = 340,521.02 : x
  2. Step 2: Convert to fraction form
    626,998.89/865,263.55 = 340,521.02/x
  3. Step 3: Cross multiply
    626,998.89x = 865,263.55 × 340,521.02
  4. Step 4: Simplify right side
    626,998.89x = 294,640,427,926.68
  5. Step 5: Solve for x
    x = 294,640,427,926.68/626,998.89
  6. Step 6: Final answer
    x = 469,921.77

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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.