Home / 889,435.48-1,227,421.34-481,537.30

Finding the Fourth Proportional to 889,435.48, 1,227,421.34 and 481,537.30

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Solution

The fourth proportional to 889,435.48, 1,227,421.34 and 481,537.30 is: 664,521.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,435.48 : 1,227,421.34 = 481,537.30 : x
  2. Step 2: Convert to fraction form
    889,435.48/1,227,421.34 = 481,537.30/x
  3. Step 3: Cross multiply
    889,435.48x = 1,227,421.34 × 481,537.30
  4. Step 4: Simplify right side
    889,435.48x = 591,049,158,025.98
  5. Step 5: Solve for x
    x = 591,049,158,025.98/889,435.48
  6. Step 6: Final answer
    x = 664,521.68

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Double scale
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Similar ratio
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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.