Home / 745,942.69-1,028,586.31-503,804.87

Finding the Fourth Proportional to 745,942.69, 1,028,586.31 and 503,804.87

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Solution

The fourth proportional to 745,942.69, 1,028,586.31 and 503,804.87 is: 694,700.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,942.69 : 1,028,586.31 = 503,804.87 : x
  2. Step 2: Convert to fraction form
    745,942.69/1,028,586.31 = 503,804.87/x
  3. Step 3: Cross multiply
    745,942.69x = 1,028,586.31 × 503,804.87
  4. Step 4: Simplify right side
    745,942.69x = 518,206,792,193.33
  5. Step 5: Solve for x
    x = 518,206,792,193.33/745,942.69
  6. Step 6: Final answer
    x = 694,700.54

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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.