Home / 902,081.53-1,353,566.87-422,341.81

Finding the Fourth Proportional to 902,081.53, 1,353,566.87 and 422,341.81

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Solution

The fourth proportional to 902,081.53, 1,353,566.87 and 422,341.81 is: 633,720.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,081.53 : 1,353,566.87 = 422,341.81 : x
  2. Step 2: Convert to fraction form
    902,081.53/1,353,566.87 = 422,341.81/x
  3. Step 3: Cross multiply
    902,081.53x = 1,353,566.87 × 422,341.81
  4. Step 4: Simplify right side
    902,081.53x = 571,667,881,831.84
  5. Step 5: Solve for x
    x = 571,667,881,831.84/902,081.53
  6. Step 6: Final answer
    x = 633,720.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.