Home / 813,233.81-1,122,211.91-450,636.50

Finding the Fourth Proportional to 813,233.81, 1,122,211.91 and 450,636.50

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Solution

The fourth proportional to 813,233.81, 1,122,211.91 and 450,636.50 is: 621,850.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,233.81 : 1,122,211.91 = 450,636.50 : x
  2. Step 2: Convert to fraction form
    813,233.81/1,122,211.91 = 450,636.50/x
  3. Step 3: Cross multiply
    813,233.81x = 1,122,211.91 × 450,636.50
  4. Step 4: Simplify right side
    813,233.81x = 505,709,639,516.47
  5. Step 5: Solve for x
    x = 505,709,639,516.47/813,233.81
  6. Step 6: Final answer
    x = 621,850.24

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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.