Home / 807,164.86-1,210,326.66-301,309.80

Finding the Fourth Proportional to 807,164.86, 1,210,326.66 and 301,309.80

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Solution

The fourth proportional to 807,164.86, 1,210,326.66 and 301,309.80 is: 451,807.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,164.86 : 1,210,326.66 = 301,309.80 : x
  2. Step 2: Convert to fraction form
    807,164.86/1,210,326.66 = 301,309.80/x
  3. Step 3: Cross multiply
    807,164.86x = 1,210,326.66 × 301,309.80
  4. Step 4: Simplify right side
    807,164.86x = 364,683,283,859.27
  5. Step 5: Solve for x
    x = 364,683,283,859.27/807,164.86
  6. Step 6: Final answer
    x = 451,807.68

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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.