Home / 898,882.23-1,240,449.27-490,984

Finding the Fourth Proportional to 898,882.23, 1,240,449.27 and 490,984

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Solution

The fourth proportional to 898,882.23, 1,240,449.27 and 490,984 is: 677,553.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,882.23 : 1,240,449.27 = 490,984 : x
  2. Step 2: Convert to fraction form
    898,882.23/1,240,449.27 = 490,984/x
  3. Step 3: Cross multiply
    898,882.23x = 1,240,449.27 × 490,984
  4. Step 4: Simplify right side
    898,882.23x = 609,040,745,609.14
  5. Step 5: Solve for x
    x = 609,040,745,609.14/898,882.23
  6. Step 6: Final answer
    x = 677,553.44

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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.