Home / 864,835.93-1,297,253.82-438,305.32

Finding the Fourth Proportional to 864,835.93, 1,297,253.82 and 438,305.32

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Solution

The fourth proportional to 864,835.93, 1,297,253.82 and 438,305.32 is: 657,457.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,835.93 : 1,297,253.82 = 438,305.32 : x
  2. Step 2: Convert to fraction form
    864,835.93/1,297,253.82 = 438,305.32/x
  3. Step 3: Cross multiply
    864,835.93x = 1,297,253.82 × 438,305.32
  4. Step 4: Simplify right side
    864,835.93x = 568,593,250,696.32
  5. Step 5: Solve for x
    x = 568,593,250,696.32/864,835.93
  6. Step 6: Final answer
    x = 657,457.94

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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.