Home / 807,015.35-1,210,682.65-230,643.80

Finding the Fourth Proportional to 807,015.35, 1,210,682.65 and 230,643.80

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Solution

The fourth proportional to 807,015.35, 1,210,682.65 and 230,643.80 is: 346,011.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,015.35 : 1,210,682.65 = 230,643.80 : x
  2. Step 2: Convert to fraction form
    807,015.35/1,210,682.65 = 230,643.80/x
  3. Step 3: Cross multiply
    807,015.35x = 1,210,682.65 × 230,643.80
  4. Step 4: Simplify right side
    807,015.35x = 279,236,452,142.65
  5. Step 5: Solve for x
    x = 279,236,452,142.65/807,015.35
  6. Step 6: Final answer
    x = 346,011.33

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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.