Home / 591,218.36-815,882.40-322,946.36

Finding the Fourth Proportional to 591,218.36, 815,882.40 and 322,946.36

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Solution

The fourth proportional to 591,218.36, 815,882.40 and 322,946.36 is: 445,666.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,218.36 : 815,882.40 = 322,946.36 : x
  2. Step 2: Convert to fraction form
    591,218.36/815,882.40 = 322,946.36/x
  3. Step 3: Cross multiply
    591,218.36x = 815,882.40 × 322,946.36
  4. Step 4: Simplify right side
    591,218.36x = 263,486,251,268.06
  5. Step 5: Solve for x
    x = 263,486,251,268.06/591,218.36
  6. Step 6: Final answer
    x = 445,666.56

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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.