Home / 889,406.76-1,227,372.51-481,497.81

Finding the Fourth Proportional to 889,406.76, 1,227,372.51 and 481,497.81

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Solution

The fourth proportional to 889,406.76, 1,227,372.51 and 481,497.81 is: 664,462.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,406.76 : 1,227,372.51 = 481,497.81 : x
  2. Step 2: Convert to fraction form
    889,406.76/1,227,372.51 = 481,497.81/x
  3. Step 3: Cross multiply
    889,406.76x = 1,227,372.51 × 481,497.81
  4. Step 4: Simplify right side
    889,406.76x = 590,977,175,619.20
  5. Step 5: Solve for x
    x = 590,977,175,619.20/889,406.76
  6. Step 6: Final answer
    x = 664,462.20

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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.