Home / 776,166.60-1,070,532.54-685,362.36

Finding the Fourth Proportional to 776,166.60, 1,070,532.54 and 685,362.36

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Solution

The fourth proportional to 776,166.60, 1,070,532.54 and 685,362.36 is: 945,290.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,166.60 : 1,070,532.54 = 685,362.36 : x
  2. Step 2: Convert to fraction form
    776,166.60/1,070,532.54 = 685,362.36/x
  3. Step 3: Cross multiply
    776,166.60x = 1,070,532.54 × 685,362.36
  4. Step 4: Simplify right side
    776,166.60x = 733,702,708,071.20
  5. Step 5: Solve for x
    x = 733,702,708,071.20/776,166.60
  6. Step 6: Final answer
    x = 945,290.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.