Home / 890,342.38-1,335,366.82-250,690.42

Finding the Fourth Proportional to 890,342.38, 1,335,366.82 and 250,690.42

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Solution

The fourth proportional to 890,342.38, 1,335,366.82 and 250,690.42 is: 375,994.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,342.38 : 1,335,366.82 = 250,690.42 : x
  2. Step 2: Convert to fraction form
    890,342.38/1,335,366.82 = 250,690.42/x
  3. Step 3: Cross multiply
    890,342.38x = 1,335,366.82 × 250,690.42
  4. Step 4: Simplify right side
    890,342.38x = 334,763,668,959.86
  5. Step 5: Solve for x
    x = 334,763,668,959.86/890,342.38
  6. Step 6: Final answer
    x = 375,994.31

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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.