Home / 759,400.48-1,047,881.04-419,822.56

Finding the Fourth Proportional to 759,400.48, 1,047,881.04 and 419,822.56

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Solution

The fourth proportional to 759,400.48, 1,047,881.04 and 419,822.56 is: 579,304.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,400.48 : 1,047,881.04 = 419,822.56 : x
  2. Step 2: Convert to fraction form
    759,400.48/1,047,881.04 = 419,822.56/x
  3. Step 3: Cross multiply
    759,400.48x = 1,047,881.04 × 419,822.56
  4. Step 4: Simplify right side
    759,400.48x = 439,924,100,788.26
  5. Step 5: Solve for x
    x = 439,924,100,788.26/759,400.48
  6. Step 6: Final answer
    x = 579,304.48

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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.