Home / 914,374.09-1,372,403.04-465,415.75

Finding the Fourth Proportional to 914,374.09, 1,372,403.04 and 465,415.75

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Solution

The fourth proportional to 914,374.09, 1,372,403.04 and 465,415.75 is: 698,552.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,374.09 : 1,372,403.04 = 465,415.75 : x
  2. Step 2: Convert to fraction form
    914,374.09/1,372,403.04 = 465,415.75/x
  3. Step 3: Cross multiply
    914,374.09x = 1,372,403.04 × 465,415.75
  4. Step 4: Simplify right side
    914,374.09x = 638,737,990,163.88
  5. Step 5: Solve for x
    x = 638,737,990,163.88/914,374.09
  6. Step 6: Final answer
    x = 698,552.15

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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.