Home / 626,974.35-865,489.32-423,301.02

Finding the Fourth Proportional to 626,974.35, 865,489.32 and 423,301.02

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Solution

The fourth proportional to 626,974.35, 865,489.32 and 423,301.02 is: 584,334.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,974.35 : 865,489.32 = 423,301.02 : x
  2. Step 2: Convert to fraction form
    626,974.35/865,489.32 = 423,301.02/x
  3. Step 3: Cross multiply
    626,974.35x = 865,489.32 × 423,301.02
  4. Step 4: Simplify right side
    626,974.35x = 366,362,511,955.11
  5. Step 5: Solve for x
    x = 366,362,511,955.11/626,974.35
  6. Step 6: Final answer
    x = 584,334.13

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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.