Home / 497,768.76-686,980.08-314,273.88

Finding the Fourth Proportional to 497,768.76, 686,980.08 and 314,273.88

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Solution

The fourth proportional to 497,768.76, 686,980.08 and 314,273.88 is: 433,735.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,768.76 : 686,980.08 = 314,273.88 : x
  2. Step 2: Convert to fraction form
    497,768.76/686,980.08 = 314,273.88/x
  3. Step 3: Cross multiply
    497,768.76x = 686,980.08 × 314,273.88
  4. Step 4: Simplify right side
    497,768.76x = 215,899,895,224.31
  5. Step 5: Solve for x
    x = 215,899,895,224.31/497,768.76
  6. Step 6: Final answer
    x = 433,735.33

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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.