Home / 497,721.98-686,836.54-293,838.58

Finding the Fourth Proportional to 497,721.98, 686,836.54 and 293,838.58

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Solution

The fourth proportional to 497,721.98, 686,836.54 and 293,838.58 is: 405,485.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,721.98 : 686,836.54 = 293,838.58 : x
  2. Step 2: Convert to fraction form
    497,721.98/686,836.54 = 293,838.58/x
  3. Step 3: Cross multiply
    497,721.98x = 686,836.54 × 293,838.58
  4. Step 4: Simplify right side
    497,721.98x = 201,819,073,605.71
  5. Step 5: Solve for x
    x = 201,819,073,605.71/497,721.98
  6. Step 6: Final answer
    x = 405,485.56

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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.