Home / 695,145.10-1,042,717.65-545,845.90

Finding the Fourth Proportional to 695,145.10, 1,042,717.65 and 545,845.90

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Solution

The fourth proportional to 695,145.10, 1,042,717.65 and 545,845.90 is: 818,768.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,145.10 : 1,042,717.65 = 545,845.90 : x
  2. Step 2: Convert to fraction form
    695,145.10/1,042,717.65 = 545,845.90/x
  3. Step 3: Cross multiply
    695,145.10x = 1,042,717.65 × 545,845.90
  4. Step 4: Simplify right side
    695,145.10x = 569,163,154,110.14
  5. Step 5: Solve for x
    x = 569,163,154,110.14/695,145.10
  6. Step 6: Final answer
    x = 818,768.85

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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.