Home / 698,519.52-1,046,902.76-298,690.13

Finding the Fourth Proportional to 698,519.52, 1,046,902.76 and 298,690.13

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Solution

The fourth proportional to 698,519.52, 1,046,902.76 and 298,690.13 is: 447,660.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,519.52 : 1,046,902.76 = 298,690.13 : x
  2. Step 2: Convert to fraction form
    698,519.52/1,046,902.76 = 298,690.13/x
  3. Step 3: Cross multiply
    698,519.52x = 1,046,902.76 × 298,690.13
  4. Step 4: Simplify right side
    698,519.52x = 312,699,521,481.76
  5. Step 5: Solve for x
    x = 312,699,521,481.76/698,519.52
  6. Step 6: Final answer
    x = 447,660.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.