Home / 892,051.16-1,231,042.39-484,157.88

Finding the Fourth Proportional to 892,051.16, 1,231,042.39 and 484,157.88

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Solution

The fourth proportional to 892,051.16, 1,231,042.39 and 484,157.88 is: 668,144.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,051.16 : 1,231,042.39 = 484,157.88 : x
  2. Step 2: Convert to fraction form
    892,051.16/1,231,042.39 = 484,157.88/x
  3. Step 3: Cross multiply
    892,051.16x = 1,231,042.39 × 484,157.88
  4. Step 4: Simplify right side
    892,051.16x = 596,018,872,522.14
  5. Step 5: Solve for x
    x = 596,018,872,522.14/892,051.16
  6. Step 6: Final answer
    x = 668,144.28

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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.