Home / 866,403.24-1,299,281.22-297,622.86

Finding the Fourth Proportional to 866,403.24, 1,299,281.22 and 297,622.86

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Solution

The fourth proportional to 866,403.24, 1,299,281.22 and 297,622.86 is: 446,323.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,403.24 : 1,299,281.22 = 297,622.86 : x
  2. Step 2: Convert to fraction form
    866,403.24/1,299,281.22 = 297,622.86/x
  3. Step 3: Cross multiply
    866,403.24x = 1,299,281.22 × 297,622.86
  4. Step 4: Simplify right side
    866,403.24x = 386,695,792,640.69
  5. Step 5: Solve for x
    x = 386,695,792,640.69/866,403.24
  6. Step 6: Final answer
    x = 446,323.11

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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.