Home / 451,920.34-623,669.61-270,661.78

Finding the Fourth Proportional to 451,920.34, 623,669.61 and 270,661.78

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Solution

The fourth proportional to 451,920.34, 623,669.61 and 270,661.78 is: 373,524.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,920.34 : 623,669.61 = 270,661.78 : x
  2. Step 2: Convert to fraction form
    451,920.34/623,669.61 = 270,661.78/x
  3. Step 3: Cross multiply
    451,920.34x = 623,669.61 × 270,661.78
  4. Step 4: Simplify right side
    451,920.34x = 168,803,526,774.51
  5. Step 5: Solve for x
    x = 168,803,526,774.51/451,920.34
  6. Step 6: Final answer
    x = 373,524.96

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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.