Home / 801,297.54-1,105,878.51-510,919.41

Finding the Fourth Proportional to 801,297.54, 1,105,878.51 and 510,919.41

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Solution

The fourth proportional to 801,297.54, 1,105,878.51 and 510,919.41 is: 705,124.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,297.54 : 1,105,878.51 = 510,919.41 : x
  2. Step 2: Convert to fraction form
    801,297.54/1,105,878.51 = 510,919.41/x
  3. Step 3: Cross multiply
    801,297.54x = 1,105,878.51 × 510,919.41
  4. Step 4: Simplify right side
    801,297.54x = 565,014,795,860.88
  5. Step 5: Solve for x
    x = 565,014,795,860.88/801,297.54
  6. Step 6: Final answer
    x = 705,124.84

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1.5x scale

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.