Home / 745,679.66-1,028,710.60-503,874.14

Finding the Fourth Proportional to 745,679.66, 1,028,710.60 and 503,874.14

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Solution

The fourth proportional to 745,679.66, 1,028,710.60 and 503,874.14 is: 695,125.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,679.66 : 1,028,710.60 = 503,874.14 : x
  2. Step 2: Convert to fraction form
    745,679.66/1,028,710.60 = 503,874.14/x
  3. Step 3: Cross multiply
    745,679.66x = 1,028,710.60 × 503,874.14
  4. Step 4: Simplify right side
    745,679.66x = 518,340,662,480.65
  5. Step 5: Solve for x
    x = 518,340,662,480.65/745,679.66
  6. Step 6: Final answer
    x = 695,125.12

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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.