Home / 557,216.94-835,966.89-257,913.42

Finding the Fourth Proportional to 557,216.94, 835,966.89 and 257,913.42

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Solution

The fourth proportional to 557,216.94, 835,966.89 and 257,913.42 is: 386,935.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,216.94 : 835,966.89 = 257,913.42 : x
  2. Step 2: Convert to fraction form
    557,216.94/835,966.89 = 257,913.42/x
  3. Step 3: Cross multiply
    557,216.94x = 835,966.89 × 257,913.42
  4. Step 4: Simplify right side
    557,216.94x = 215,607,079,606.66
  5. Step 5: Solve for x
    x = 215,607,079,606.66/557,216.94
  6. Step 6: Final answer
    x = 386,935.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.