Home / 698,539.95-1,046,933.42-298,710.57

Finding the Fourth Proportional to 698,539.95, 1,046,933.42 and 298,710.57

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Solution

The fourth proportional to 698,539.95, 1,046,933.42 and 298,710.57 is: 447,691.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,539.95 : 1,046,933.42 = 298,710.57 : x
  2. Step 2: Convert to fraction form
    698,539.95/1,046,933.42 = 298,710.57/x
  3. Step 3: Cross multiply
    698,539.95x = 1,046,933.42 × 298,710.57
  4. Step 4: Simplify right side
    698,539.95x = 312,730,077,146.70
  5. Step 5: Solve for x
    x = 312,730,077,146.70/698,539.95
  6. Step 6: Final answer
    x = 447,691.04

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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.