Home / 695,544.40-1,042,004.40-648,305.20

Finding the Fourth Proportional to 695,544.40, 1,042,004.40 and 648,305.20

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Solution

The fourth proportional to 695,544.40, 1,042,004.40 and 648,305.20 is: 971,234.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,544.40 : 1,042,004.40 = 648,305.20 : x
  2. Step 2: Convert to fraction form
    695,544.40/1,042,004.40 = 648,305.20/x
  3. Step 3: Cross multiply
    695,544.40x = 1,042,004.40 × 648,305.20
  4. Step 4: Simplify right side
    695,544.40x = 675,536,870,942.88
  5. Step 5: Solve for x
    x = 675,536,870,942.88/695,544.40
  6. Step 6: Final answer
    x = 971,234.72

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1.5x scale

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.