Home / 803,016.95-1,108,168.83-440,443.35

Finding the Fourth Proportional to 803,016.95, 1,108,168.83 and 440,443.35

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Solution

The fourth proportional to 803,016.95, 1,108,168.83 and 440,443.35 is: 607,814.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,016.95 : 1,108,168.83 = 440,443.35 : x
  2. Step 2: Convert to fraction form
    803,016.95/1,108,168.83 = 440,443.35/x
  3. Step 3: Cross multiply
    803,016.95x = 1,108,168.83 × 440,443.35
  4. Step 4: Simplify right side
    803,016.95x = 488,085,591,850.78
  5. Step 5: Solve for x
    x = 488,085,591,850.78/803,016.95
  6. Step 6: Final answer
    x = 607,814.81

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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.