Home / 557,935.26-769,955.13-303,285.84

Finding the Fourth Proportional to 557,935.26, 769,955.13 and 303,285.84

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Solution

The fourth proportional to 557,935.26, 769,955.13 and 303,285.84 is: 418,536.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,935.26 : 769,955.13 = 303,285.84 : x
  2. Step 2: Convert to fraction form
    557,935.26/769,955.13 = 303,285.84/x
  3. Step 3: Cross multiply
    557,935.26x = 769,955.13 × 303,285.84
  4. Step 4: Simplify right side
    557,935.26x = 233,516,488,364.36
  5. Step 5: Solve for x
    x = 233,516,488,364.36/557,935.26
  6. Step 6: Final answer
    x = 418,536.89

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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.