Home / 889,340.48-1,227,280.56-481,433.12

Finding the Fourth Proportional to 889,340.48, 1,227,280.56 and 481,433.12

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Solution

The fourth proportional to 889,340.48, 1,227,280.56 and 481,433.12 is: 664,372.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,340.48 : 1,227,280.56 = 481,433.12 : x
  2. Step 2: Convert to fraction form
    889,340.48/1,227,280.56 = 481,433.12/x
  3. Step 3: Cross multiply
    889,340.48x = 1,227,280.56 × 481,433.12
  4. Step 4: Simplify right side
    889,340.48x = 590,853,509,116.15
  5. Step 5: Solve for x
    x = 590,853,509,116.15/889,340.48
  6. Step 6: Final answer
    x = 664,372.67

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Double scale
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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.