Home / 706,942.04-1,064,258.27-644,166.68

Finding the Fourth Proportional to 706,942.04, 1,064,258.27 and 644,166.68

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Solution

The fourth proportional to 706,942.04, 1,064,258.27 and 644,166.68 is: 969,753.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,942.04 : 1,064,258.27 = 644,166.68 : x
  2. Step 2: Convert to fraction form
    706,942.04/1,064,258.27 = 644,166.68/x
  3. Step 3: Cross multiply
    706,942.04x = 1,064,258.27 × 644,166.68
  4. Step 4: Simplify right side
    706,942.04x = 685,559,716,448.44
  5. Step 5: Solve for x
    x = 685,559,716,448.44/706,942.04
  6. Step 6: Final answer
    x = 969,753.78

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.