Home / 698,539.45-1,046,932.66-298,710.07

Finding the Fourth Proportional to 698,539.45, 1,046,932.66 and 298,710.07

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Solution

The fourth proportional to 698,539.45, 1,046,932.66 and 298,710.07 is: 447,690.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,539.45 : 1,046,932.66 = 298,710.07 : x
  2. Step 2: Convert to fraction form
    698,539.45/1,046,932.66 = 298,710.07/x
  3. Step 3: Cross multiply
    698,539.45x = 1,046,932.66 × 298,710.07
  4. Step 4: Simplify right side
    698,539.45x = 312,729,328,153.89
  5. Step 5: Solve for x
    x = 312,729,328,153.89/698,539.45
  6. Step 6: Final answer
    x = 447,690.29

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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.