Home / 803,520.76-1,108,872.26-440,978.36

Finding the Fourth Proportional to 803,520.76, 1,108,872.26 and 440,978.36

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Solution

The fourth proportional to 803,520.76, 1,108,872.26 and 440,978.36 is: 608,557.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,520.76 : 1,108,872.26 = 440,978.36 : x
  2. Step 2: Convert to fraction form
    803,520.76/1,108,872.26 = 440,978.36/x
  3. Step 3: Cross multiply
    803,520.76x = 1,108,872.26 × 440,978.36
  4. Step 4: Simplify right side
    803,520.76x = 488,988,670,664.29
  5. Step 5: Solve for x
    x = 488,988,670,664.29/803,520.76
  6. Step 6: Final answer
    x = 608,557.61

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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.