Home / 722,909.09-1,084,735.43-344,259.20

Finding the Fourth Proportional to 722,909.09, 1,084,735.43 and 344,259.20

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Solution

The fourth proportional to 722,909.09, 1,084,735.43 and 344,259.20 is: 516,565.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,909.09 : 1,084,735.43 = 344,259.20 : x
  2. Step 2: Convert to fraction form
    722,909.09/1,084,735.43 = 344,259.20/x
  3. Step 3: Cross multiply
    722,909.09x = 1,084,735.43 × 344,259.20
  4. Step 4: Simplify right side
    722,909.09x = 373,430,151,343.46
  5. Step 5: Solve for x
    x = 373,430,151,343.46/722,909.09
  6. Step 6: Final answer
    x = 516,565.85

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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.