Home / 683,904.60-1,025,759.70-210,637.80

Finding the Fourth Proportional to 683,904.60, 1,025,759.70 and 210,637.80

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Solution

The fourth proportional to 683,904.60, 1,025,759.70 and 210,637.80 is: 315,926.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,904.60 : 1,025,759.70 = 210,637.80 : x
  2. Step 2: Convert to fraction form
    683,904.60/1,025,759.70 = 210,637.80/x
  3. Step 3: Cross multiply
    683,904.60x = 1,025,759.70 × 210,637.80
  4. Step 4: Simplify right side
    683,904.60x = 216,063,766,536.66
  5. Step 5: Solve for x
    x = 216,063,766,536.66/683,904.60
  6. Step 6: Final answer
    x = 315,926.76

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1.5x scale

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.