Home / 872,360.71-1,203,679.82-509,714.43

Finding the Fourth Proportional to 872,360.71, 1,203,679.82 and 509,714.43

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Solution

The fourth proportional to 872,360.71, 1,203,679.82 and 509,714.43 is: 703,301.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,360.71 : 1,203,679.82 = 509,714.43 : x
  2. Step 2: Convert to fraction form
    872,360.71/1,203,679.82 = 509,714.43/x
  3. Step 3: Cross multiply
    872,360.71x = 1,203,679.82 × 509,714.43
  4. Step 4: Simplify right side
    872,360.71x = 613,532,974,628.09
  5. Step 5: Solve for x
    x = 613,532,974,628.09/872,360.71
  6. Step 6: Final answer
    x = 703,301.94

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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.