Home / 898,634.86-1,240,069.91-490,658.11

Finding the Fourth Proportional to 898,634.86, 1,240,069.91 and 490,658.11

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Solution

The fourth proportional to 898,634.86, 1,240,069.91 and 490,658.11 is: 677,082.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,634.86 : 1,240,069.91 = 490,658.11 : x
  2. Step 2: Convert to fraction form
    898,634.86/1,240,069.91 = 490,658.11/x
  3. Step 3: Cross multiply
    898,634.86x = 1,240,069.91 × 490,658.11
  4. Step 4: Simplify right side
    898,634.86x = 608,450,352,755.01
  5. Step 5: Solve for x
    x = 608,450,352,755.01/898,634.86
  6. Step 6: Final answer
    x = 677,082.96

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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.