Home / 750,728.82-1,035,994.02-428,430.60

Finding the Fourth Proportional to 750,728.82, 1,035,994.02 and 428,430.60

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Solution

The fourth proportional to 750,728.82, 1,035,994.02 and 428,430.60 is: 591,227.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,728.82 : 1,035,994.02 = 428,430.60 : x
  2. Step 2: Convert to fraction form
    750,728.82/1,035,994.02 = 428,430.60/x
  3. Step 3: Cross multiply
    750,728.82x = 1,035,994.02 × 428,430.60
  4. Step 4: Simplify right side
    750,728.82x = 443,851,539,585.01
  5. Step 5: Solve for x
    x = 443,851,539,585.01/750,728.82
  6. Step 6: Final answer
    x = 591,227.52

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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.