Home / 790,605.13-1,186,129.40-317,622.64

Finding the Fourth Proportional to 790,605.13, 1,186,129.40 and 317,622.64

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Solution

The fourth proportional to 790,605.13, 1,186,129.40 and 317,622.64 is: 476,523.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,605.13 : 1,186,129.40 = 317,622.64 : x
  2. Step 2: Convert to fraction form
    790,605.13/1,186,129.40 = 317,622.64/x
  3. Step 3: Cross multiply
    790,605.13x = 1,186,129.40 × 317,622.64
  4. Step 4: Simplify right side
    790,605.13x = 376,741,551,409.62
  5. Step 5: Solve for x
    x = 376,741,551,409.62/790,605.13
  6. Step 6: Final answer
    x = 476,523.03

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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.