Home / 790,605.25-1,186,129.59-317,622.76

Finding the Fourth Proportional to 790,605.25, 1,186,129.59 and 317,622.76

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Solution

The fourth proportional to 790,605.25, 1,186,129.59 and 317,622.76 is: 476,523.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,605.25 : 1,186,129.59 = 317,622.76 : x
  2. Step 2: Convert to fraction form
    790,605.25/1,186,129.59 = 317,622.76/x
  3. Step 3: Cross multiply
    790,605.25x = 1,186,129.59 × 317,622.76
  4. Step 4: Simplify right side
    790,605.25x = 376,741,754,093.47
  5. Step 5: Solve for x
    x = 376,741,754,093.47/790,605.25
  6. Step 6: Final answer
    x = 476,523.21

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1.5x scale

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.