Home / 890,244.42-1,228,497.21-487,827.78

Finding the Fourth Proportional to 890,244.42, 1,228,497.21 and 487,827.78

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Solution

The fourth proportional to 890,244.42, 1,228,497.21 and 487,827.78 is: 673,180.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,244.42 : 1,228,497.21 = 487,827.78 : x
  2. Step 2: Convert to fraction form
    890,244.42/1,228,497.21 = 487,827.78/x
  3. Step 3: Cross multiply
    890,244.42x = 1,228,497.21 × 487,827.78
  4. Step 4: Simplify right side
    890,244.42x = 599,295,066,690.49
  5. Step 5: Solve for x
    x = 599,295,066,690.49/890,244.42
  6. Step 6: Final answer
    x = 673,180.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.