Home / 698,566.25-1,045,760.73-427,841.90

Finding the Fourth Proportional to 698,566.25, 1,045,760.73 and 427,841.90

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Solution

The fourth proportional to 698,566.25, 1,045,760.73 and 427,841.90 is: 640,483.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,566.25 : 1,045,760.73 = 427,841.90 : x
  2. Step 2: Convert to fraction form
    698,566.25/1,045,760.73 = 427,841.90/x
  3. Step 3: Cross multiply
    698,566.25x = 1,045,760.73 × 427,841.90
  4. Step 4: Simplify right side
    698,566.25x = 447,420,252,439.78
  5. Step 5: Solve for x
    x = 447,420,252,439.78/698,566.25
  6. Step 6: Final answer
    x = 640,483.64

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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.