Home / 889,401.75-1,227,365.62-481,492.81

Finding the Fourth Proportional to 889,401.75, 1,227,365.62 and 481,492.81

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Solution

The fourth proportional to 889,401.75, 1,227,365.62 and 481,492.81 is: 664,455.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,401.75 : 1,227,365.62 = 481,492.81 : x
  2. Step 2: Convert to fraction form
    889,401.75/1,227,365.62 = 481,492.81/x
  3. Step 3: Cross multiply
    889,401.75x = 1,227,365.62 × 481,492.81
  4. Step 4: Simplify right side
    889,401.75x = 590,967,721,271.19
  5. Step 5: Solve for x
    x = 590,967,721,271.19/889,401.75
  6. Step 6: Final answer
    x = 664,455.32

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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.