Home / 745,580.73-1,028,930.54-423,320.81

Finding the Fourth Proportional to 745,580.73, 1,028,930.54 and 423,320.81

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Solution

The fourth proportional to 745,580.73, 1,028,930.54 and 423,320.81 is: 584,199.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,580.73 : 1,028,930.54 = 423,320.81 : x
  2. Step 2: Convert to fraction form
    745,580.73/1,028,930.54 = 423,320.81/x
  3. Step 3: Cross multiply
    745,580.73x = 1,028,930.54 × 423,320.81
  4. Step 4: Simplify right side
    745,580.73x = 435,567,709,626.54
  5. Step 5: Solve for x
    x = 435,567,709,626.54/745,580.73
  6. Step 6: Final answer
    x = 584,199.26

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.