Home / 785,297.60-1,178,113.80-448,499.60

Finding the Fourth Proportional to 785,297.60, 1,178,113.80 and 448,499.60

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Solution

The fourth proportional to 785,297.60, 1,178,113.80 and 448,499.60 is: 672,845.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,297.60 : 1,178,113.80 = 448,499.60 : x
  2. Step 2: Convert to fraction form
    785,297.60/1,178,113.80 = 448,499.60/x
  3. Step 3: Cross multiply
    785,297.60x = 1,178,113.80 × 448,499.60
  4. Step 4: Simplify right side
    785,297.60x = 528,383,568,054.48
  5. Step 5: Solve for x
    x = 528,383,568,054.48/785,297.60
  6. Step 6: Final answer
    x = 672,845.01

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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.