Home / 698,518.87-1,046,901.80-298,689.48

Finding the Fourth Proportional to 698,518.87, 1,046,901.80 and 298,689.48

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Solution

The fourth proportional to 698,518.87, 1,046,901.80 and 298,689.48 is: 447,659.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,518.87 : 1,046,901.80 = 298,689.48 : x
  2. Step 2: Convert to fraction form
    698,518.87/1,046,901.80 = 298,689.48/x
  3. Step 3: Cross multiply
    698,518.87x = 1,046,901.80 × 298,689.48
  4. Step 4: Simplify right side
    698,518.87x = 312,698,553,319.66
  5. Step 5: Solve for x
    x = 312,698,553,319.66/698,518.87
  6. Step 6: Final answer
    x = 447,659.42

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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.