Home / 498,653.36-688,141.04-294,777.76

Finding the Fourth Proportional to 498,653.36, 688,141.04 and 294,777.76

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Solution

The fourth proportional to 498,653.36, 688,141.04 and 294,777.76 is: 406,792.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,653.36 : 688,141.04 = 294,777.76 : x
  2. Step 2: Convert to fraction form
    498,653.36/688,141.04 = 294,777.76/x
  3. Step 3: Cross multiply
    498,653.36x = 688,141.04 × 294,777.76
  4. Step 4: Simplify right side
    498,653.36x = 202,848,674,335.27
  5. Step 5: Solve for x
    x = 202,848,674,335.27/498,653.36
  6. Step 6: Final answer
    x = 406,792.96

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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.