Home / 802,908.72-1,107,934.20-463,486.32

Finding the Fourth Proportional to 802,908.72, 1,107,934.20 and 463,486.32

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Solution

The fourth proportional to 802,908.72, 1,107,934.20 and 463,486.32 is: 639,565.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,908.72 : 1,107,934.20 = 463,486.32 : x
  2. Step 2: Convert to fraction form
    802,908.72/1,107,934.20 = 463,486.32/x
  3. Step 3: Cross multiply
    802,908.72x = 1,107,934.20 × 463,486.32
  4. Step 4: Simplify right side
    802,908.72x = 513,512,345,160.14
  5. Step 5: Solve for x
    x = 513,512,345,160.14/802,908.72
  6. Step 6: Final answer
    x = 639,565.04

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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.