Home / 889,007.07-1,226,820.20-481,099.89

Finding the Fourth Proportional to 889,007.07, 1,226,820.20 and 481,099.89

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Solution

The fourth proportional to 889,007.07, 1,226,820.20 and 481,099.89 is: 663,912.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,007.07 : 1,226,820.20 = 481,099.89 : x
  2. Step 2: Convert to fraction form
    889,007.07/1,226,820.20 = 481,099.89/x
  3. Step 3: Cross multiply
    889,007.07x = 1,226,820.20 × 481,099.89
  4. Step 4: Simplify right side
    889,007.07x = 590,223,060,864.28
  5. Step 5: Solve for x
    x = 590,223,060,864.28/889,007.07
  6. Step 6: Final answer
    x = 663,912.67

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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.