Home / 889,851.76-1,227,989.08-481,944.20

Finding the Fourth Proportional to 889,851.76, 1,227,989.08 and 481,944.20

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Solution

The fourth proportional to 889,851.76, 1,227,989.08 and 481,944.20 is: 665,079.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,851.76 : 1,227,989.08 = 481,944.20 : x
  2. Step 2: Convert to fraction form
    889,851.76/1,227,989.08 = 481,944.20/x
  3. Step 3: Cross multiply
    889,851.76x = 1,227,989.08 × 481,944.20
  4. Step 4: Simplify right side
    889,851.76x = 591,822,214,769.34
  5. Step 5: Solve for x
    x = 591,822,214,769.34/889,851.76
  6. Step 6: Final answer
    x = 665,079.56

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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.