Home / 676,739.45-1,014,001.77-409,690.55

Finding the Fourth Proportional to 676,739.45, 1,014,001.77 and 409,690.55

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Solution

The fourth proportional to 676,739.45, 1,014,001.77 and 409,690.55 is: 613,865.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,739.45 : 1,014,001.77 = 409,690.55 : x
  2. Step 2: Convert to fraction form
    676,739.45/1,014,001.77 = 409,690.55/x
  3. Step 3: Cross multiply
    676,739.45x = 1,014,001.77 × 409,690.55
  4. Step 4: Simplify right side
    676,739.45x = 415,426,942,852.27
  5. Step 5: Solve for x
    x = 415,426,942,852.27/676,739.45
  6. Step 6: Final answer
    x = 613,865.41

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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.