Home / 813,297.69-1,122,357.15-450,727.50

Finding the Fourth Proportional to 813,297.69, 1,122,357.15 and 450,727.50

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Solution

The fourth proportional to 813,297.69, 1,122,357.15 and 450,727.50 is: 622,007.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,297.69 : 1,122,357.15 = 450,727.50 : x
  2. Step 2: Convert to fraction form
    813,297.69/1,122,357.15 = 450,727.50/x
  3. Step 3: Cross multiply
    813,297.69x = 1,122,357.15 × 450,727.50
  4. Step 4: Simplify right side
    813,297.69x = 505,877,232,326.63
  5. Step 5: Solve for x
    x = 505,877,232,326.63/813,297.69
  6. Step 6: Final answer
    x = 622,007.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.