Home / 790,605.75-1,186,130.34-317,623.26

Finding the Fourth Proportional to 790,605.75, 1,186,130.34 and 317,623.26

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Solution

The fourth proportional to 790,605.75, 1,186,130.34 and 317,623.26 is: 476,523.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,605.75 : 1,186,130.34 = 317,623.26 : x
  2. Step 2: Convert to fraction form
    790,605.75/1,186,130.34 = 317,623.26/x
  3. Step 3: Cross multiply
    790,605.75x = 1,186,130.34 × 317,623.26
  4. Step 4: Simplify right side
    790,605.75x = 376,742,585,375.71
  5. Step 5: Solve for x
    x = 376,742,585,375.71/790,605.75
  6. Step 6: Final answer
    x = 476,523.96

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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.