Home / 668,458.80-1,001,327.40-414,961.20

Finding the Fourth Proportional to 668,458.80, 1,001,327.40 and 414,961.20

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Solution

The fourth proportional to 668,458.80, 1,001,327.40 and 414,961.20 is: 621,597.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,458.80 : 1,001,327.40 = 414,961.20 : x
  2. Step 2: Convert to fraction form
    668,458.80/1,001,327.40 = 414,961.20/x
  3. Step 3: Cross multiply
    668,458.80x = 1,001,327.40 × 414,961.20
  4. Step 4: Simplify right side
    668,458.80x = 415,512,019,496.88
  5. Step 5: Solve for x
    x = 415,512,019,496.88/668,458.80
  6. Step 6: Final answer
    x = 621,597.05

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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.