Home / 781,051.04-1,171,346.90-331,768.34

Finding the Fourth Proportional to 781,051.04, 1,171,346.90 and 331,768.34

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Solution

The fourth proportional to 781,051.04, 1,171,346.90 and 331,768.34 is: 497,554.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,051.04 : 1,171,346.90 = 331,768.34 : x
  2. Step 2: Convert to fraction form
    781,051.04/1,171,346.90 = 331,768.34/x
  3. Step 3: Cross multiply
    781,051.04x = 1,171,346.90 × 331,768.34
  4. Step 4: Simplify right side
    781,051.04x = 388,615,816,577.15
  5. Step 5: Solve for x
    x = 388,615,816,577.15/781,051.04
  6. Step 6: Final answer
    x = 497,554.96

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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.