Home / 869,297.12-1,303,191.84-336,451.40

Finding the Fourth Proportional to 869,297.12, 1,303,191.84 and 336,451.40

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Solution

The fourth proportional to 869,297.12, 1,303,191.84 and 336,451.40 is: 504,385.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,297.12 : 1,303,191.84 = 336,451.40 : x
  2. Step 2: Convert to fraction form
    869,297.12/1,303,191.84 = 336,451.40/x
  3. Step 3: Cross multiply
    869,297.12x = 1,303,191.84 × 336,451.40
  4. Step 4: Simplify right side
    869,297.12x = 438,460,719,036.58
  5. Step 5: Solve for x
    x = 438,460,719,036.58/869,297.12
  6. Step 6: Final answer
    x = 504,385.33

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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.