Home / 711,678.80-1,067,912.22-291,249.92

Finding the Fourth Proportional to 711,678.80, 1,067,912.22 and 291,249.92

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Solution

The fourth proportional to 711,678.80, 1,067,912.22 and 291,249.92 is: 437,036.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,678.80 : 1,067,912.22 = 291,249.92 : x
  2. Step 2: Convert to fraction form
    711,678.80/1,067,912.22 = 291,249.92/x
  3. Step 3: Cross multiply
    711,678.80x = 1,067,912.22 × 291,249.92
  4. Step 4: Simplify right side
    711,678.80x = 311,029,348,642.02
  5. Step 5: Solve for x
    x = 311,029,348,642.02/711,678.80
  6. Step 6: Final answer
    x = 437,036.13

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1.5x scale

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.