Home / 697,893.08-1,045,961.58-378,032.72

Finding the Fourth Proportional to 697,893.08, 1,045,961.58 and 378,032.72

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Solution

The fourth proportional to 697,893.08, 1,045,961.58 and 378,032.72 is: 566,573.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,893.08 : 1,045,961.58 = 378,032.72 : x
  2. Step 2: Convert to fraction form
    697,893.08/1,045,961.58 = 378,032.72/x
  3. Step 3: Cross multiply
    697,893.08x = 1,045,961.58 × 378,032.72
  4. Step 4: Simplify right side
    697,893.08x = 395,407,701,102.90
  5. Step 5: Solve for x
    x = 395,407,701,102.90/697,893.08
  6. Step 6: Final answer
    x = 566,573.47

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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.