Home / 642,093.04-886,098.02-351,731.35

Finding the Fourth Proportional to 642,093.04, 886,098.02 and 351,731.35

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Solution

The fourth proportional to 642,093.04, 886,098.02 and 351,731.35 is: 485,394.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,093.04 : 886,098.02 = 351,731.35 : x
  2. Step 2: Convert to fraction form
    642,093.04/886,098.02 = 351,731.35/x
  3. Step 3: Cross multiply
    642,093.04x = 886,098.02 × 351,731.35
  4. Step 4: Simplify right side
    642,093.04x = 311,668,451,048.27
  5. Step 5: Solve for x
    x = 311,668,451,048.27/642,093.04
  6. Step 6: Final answer
    x = 485,394.53

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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.