Home / 810,118.88-1,117,996.03-465,954.26

Finding the Fourth Proportional to 810,118.88, 1,117,996.03 and 465,954.26

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Solution

The fourth proportional to 810,118.88, 1,117,996.03 and 465,954.26 is: 643,035.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,118.88 : 1,117,996.03 = 465,954.26 : x
  2. Step 2: Convert to fraction form
    810,118.88/1,117,996.03 = 465,954.26/x
  3. Step 3: Cross multiply
    810,118.88x = 1,117,996.03 × 465,954.26
  4. Step 4: Simplify right side
    810,118.88x = 520,935,014,006.47
  5. Step 5: Solve for x
    x = 520,935,014,006.47/810,118.88
  6. Step 6: Final answer
    x = 643,035.27

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1.5x scale

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.