Home / 587,935.04-811,349.28-319,662.40

Finding the Fourth Proportional to 587,935.04, 811,349.28 and 319,662.40

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Solution

The fourth proportional to 587,935.04, 811,349.28 and 319,662.40 is: 441,133.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,935.04 : 811,349.28 = 319,662.40 : x
  2. Step 2: Convert to fraction form
    587,935.04/811,349.28 = 319,662.40/x
  3. Step 3: Cross multiply
    587,935.04x = 811,349.28 × 319,662.40
  4. Step 4: Simplify right side
    587,935.04x = 259,357,858,083.07
  5. Step 5: Solve for x
    x = 259,357,858,083.07/587,935.04
  6. Step 6: Final answer
    x = 441,133.53

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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.