Home / 889,039.88-1,226,875.13-481,144.67

Finding the Fourth Proportional to 889,039.88, 1,226,875.13 and 481,144.67

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Solution

The fourth proportional to 889,039.88, 1,226,875.13 and 481,144.67 is: 663,979.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,039.88 : 1,226,875.13 = 481,144.67 : x
  2. Step 2: Convert to fraction form
    889,039.88/1,226,875.13 = 481,144.67/x
  3. Step 3: Cross multiply
    889,039.88x = 1,226,875.13 × 481,144.67
  4. Step 4: Simplify right side
    889,039.88x = 590,304,427,420.03
  5. Step 5: Solve for x
    x = 590,304,427,420.03/889,039.88
  6. Step 6: Final answer
    x = 663,979.69

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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.