Home / 711,704.40-1,067,945.40-291,022.80

Finding the Fourth Proportional to 711,704.40, 1,067,945.40 and 291,022.80

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Solution

The fourth proportional to 711,704.40, 1,067,945.40 and 291,022.80 is: 436,693.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,704.40 : 1,067,945.40 = 291,022.80 : x
  2. Step 2: Convert to fraction form
    711,704.40/1,067,945.40 = 291,022.80/x
  3. Step 3: Cross multiply
    711,704.40x = 1,067,945.40 × 291,022.80
  4. Step 4: Simplify right side
    711,704.40x = 310,796,460,555.12
  5. Step 5: Solve for x
    x = 310,796,460,555.12/711,704.40
  6. Step 6: Final answer
    x = 436,693.18

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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.