Home / 570,839.44-787,811.74-316,190.82

Finding the Fourth Proportional to 570,839.44, 787,811.74 and 316,190.82

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Solution

The fourth proportional to 570,839.44, 787,811.74 and 316,190.82 is: 436,372.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,839.44 : 787,811.74 = 316,190.82 : x
  2. Step 2: Convert to fraction form
    570,839.44/787,811.74 = 316,190.82/x
  3. Step 3: Cross multiply
    570,839.44x = 787,811.74 × 316,190.82
  4. Step 4: Simplify right side
    570,839.44x = 249,098,840,076.23
  5. Step 5: Solve for x
    x = 249,098,840,076.23/570,839.44
  6. Step 6: Final answer
    x = 436,372.86

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1.5x scale

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.