Home / 570,664.58-787,516.41-316,015.46

Finding the Fourth Proportional to 570,664.58, 787,516.41 and 316,015.46

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Solution

The fourth proportional to 570,664.58, 787,516.41 and 316,015.46 is: 436,100.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,664.58 : 787,516.41 = 316,015.46 : x
  2. Step 2: Convert to fraction form
    570,664.58/787,516.41 = 316,015.46/x
  3. Step 3: Cross multiply
    570,664.58x = 787,516.41 × 316,015.46
  4. Step 4: Simplify right side
    570,664.58x = 248,867,360,563.70
  5. Step 5: Solve for x
    x = 248,867,360,563.70/570,664.58
  6. Step 6: Final answer
    x = 436,100.94

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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.