Home / 497,338.31-686,326.97-270,983.81

Finding the Fourth Proportional to 497,338.31, 686,326.97 and 270,983.81

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Solution

The fourth proportional to 497,338.31, 686,326.97 and 270,983.81 is: 373,957.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,338.31 : 686,326.97 = 270,983.81 : x
  2. Step 2: Convert to fraction form
    497,338.31/686,326.97 = 270,983.81/x
  3. Step 3: Cross multiply
    497,338.31x = 686,326.97 × 270,983.81
  4. Step 4: Simplify right side
    497,338.31x = 185,983,499,629.63
  5. Step 5: Solve for x
    x = 185,983,499,629.63/497,338.31
  6. Step 6: Final answer
    x = 373,957.72

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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.