Home / 802,634.32-1,107,630.48-440,073.52

Finding the Fourth Proportional to 802,634.32, 1,107,630.48 and 440,073.52

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Solution

The fourth proportional to 802,634.32, 1,107,630.48 and 440,073.52 is: 607,298.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,634.32 : 1,107,630.48 = 440,073.52 : x
  2. Step 2: Convert to fraction form
    802,634.32/1,107,630.48 = 440,073.52/x
  3. Step 3: Cross multiply
    802,634.32x = 1,107,630.48 × 440,073.52
  4. Step 4: Simplify right side
    802,634.32x = 487,438,844,192.89
  5. Step 5: Solve for x
    x = 487,438,844,192.89/802,634.32
  6. Step 6: Final answer
    x = 607,298.78

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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.