Home / 898,599.75-1,240,021.43-490,622.95

Finding the Fourth Proportional to 898,599.75, 1,240,021.43 and 490,622.95

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Solution

The fourth proportional to 898,599.75, 1,240,021.43 and 490,622.95 is: 677,034.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,599.75 : 1,240,021.43 = 490,622.95 : x
  2. Step 2: Convert to fraction form
    898,599.75/1,240,021.43 = 490,622.95/x
  3. Step 3: Cross multiply
    898,599.75x = 1,240,021.43 × 490,622.95
  4. Step 4: Simplify right side
    898,599.75x = 608,382,972,049.82
  5. Step 5: Solve for x
    x = 608,382,972,049.82/898,599.75
  6. Step 6: Final answer
    x = 677,034.43

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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.