Home / 697,511.25-1,046,276.61-198,875.25

Finding the Fourth Proportional to 697,511.25, 1,046,276.61 and 198,875.25

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Solution

The fourth proportional to 697,511.25, 1,046,276.61 and 198,875.25 is: 298,315.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,511.25 : 1,046,276.61 = 198,875.25 : x
  2. Step 2: Convert to fraction form
    697,511.25/1,046,276.61 = 198,875.25/x
  3. Step 3: Cross multiply
    697,511.25x = 1,046,276.61 × 198,875.25
  4. Step 4: Simplify right side
    697,511.25x = 208,078,522,382.90
  5. Step 5: Solve for x
    x = 208,078,522,382.90/697,511.25
  6. Step 6: Final answer
    x = 298,315.65

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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.