Home / 759,286.98-1,047,837.89-419,777.10

Finding the Fourth Proportional to 759,286.98, 1,047,837.89 and 419,777.10

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Solution

The fourth proportional to 759,286.98, 1,047,837.89 and 419,777.10 is: 579,304.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,286.98 : 1,047,837.89 = 419,777.10 : x
  2. Step 2: Convert to fraction form
    759,286.98/1,047,837.89 = 419,777.10/x
  3. Step 3: Cross multiply
    759,286.98x = 1,047,837.89 × 419,777.10
  4. Step 4: Simplify right side
    759,286.98x = 439,858,351,783.76
  5. Step 5: Solve for x
    x = 439,858,351,783.76/759,286.98
  6. Step 6: Final answer
    x = 579,304.48

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1.5x scale

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.