Home / 931,069.80-1,396,475.10-300,047.40

Finding the Fourth Proportional to 931,069.80, 1,396,475.10 and 300,047.40

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Solution

The fourth proportional to 931,069.80, 1,396,475.10 and 300,047.40 is: 450,029.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,069.80 : 1,396,475.10 = 300,047.40 : x
  2. Step 2: Convert to fraction form
    931,069.80/1,396,475.10 = 300,047.40/x
  3. Step 3: Cross multiply
    931,069.80x = 1,396,475.10 × 300,047.40
  4. Step 4: Simplify right side
    931,069.80x = 419,008,722,919.74
  5. Step 5: Solve for x
    x = 419,008,722,919.74/931,069.80
  6. Step 6: Final answer
    x = 450,029.33

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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.