Home / 745,007.67-1,028,308.31-458,767.65

Finding the Fourth Proportional to 745,007.67, 1,028,308.31 and 458,767.65

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Solution

The fourth proportional to 745,007.67, 1,028,308.31 and 458,767.65 is: 633,221.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,007.67 : 1,028,308.31 = 458,767.65 : x
  2. Step 2: Convert to fraction form
    745,007.67/1,028,308.31 = 458,767.65/x
  3. Step 3: Cross multiply
    745,007.67x = 1,028,308.31 × 458,767.65
  4. Step 4: Simplify right side
    745,007.67x = 471,754,584,560.33
  5. Step 5: Solve for x
    x = 471,754,584,560.33/745,007.67
  6. Step 6: Final answer
    x = 633,221.11

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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.