Home / 651,619.98-899,220.96-379,670.85

Finding the Fourth Proportional to 651,619.98, 899,220.96 and 379,670.85

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Solution

The fourth proportional to 651,619.98, 899,220.96 and 379,670.85 is: 523,937.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,619.98 : 899,220.96 = 379,670.85 : x
  2. Step 2: Convert to fraction form
    651,619.98/899,220.96 = 379,670.85/x
  3. Step 3: Cross multiply
    651,619.98x = 899,220.96 × 379,670.85
  4. Step 4: Simplify right side
    651,619.98x = 341,407,986,221.02
  5. Step 5: Solve for x
    x = 341,407,986,221.02/651,619.98
  6. Step 6: Final answer
    x = 523,937.26

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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.