Home / 790,317.90-1,185,527.79-277,920.18

Finding the Fourth Proportional to 790,317.90, 1,185,527.79 and 277,920.18

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Solution

The fourth proportional to 790,317.90, 1,185,527.79 and 277,920.18 is: 416,898.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,317.90 : 1,185,527.79 = 277,920.18 : x
  2. Step 2: Convert to fraction form
    790,317.90/1,185,527.79 = 277,920.18/x
  3. Step 3: Cross multiply
    790,317.90x = 1,185,527.79 × 277,920.18
  4. Step 4: Simplify right side
    790,317.90x = 329,482,096,791.80
  5. Step 5: Solve for x
    x = 329,482,096,791.80/790,317.90
  6. Step 6: Final answer
    x = 416,898.18

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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.