Home / 915,938.37-1,373,570.60-316,745.73

Finding the Fourth Proportional to 915,938.37, 1,373,570.60 and 316,745.73

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Solution

The fourth proportional to 915,938.37, 1,373,570.60 and 316,745.73 is: 475,002.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,938.37 : 1,373,570.60 = 316,745.73 : x
  2. Step 2: Convert to fraction form
    915,938.37/1,373,570.60 = 316,745.73/x
  3. Step 3: Cross multiply
    915,938.37x = 1,373,570.60 × 316,745.73
  4. Step 4: Simplify right side
    915,938.37x = 435,072,620,819.81
  5. Step 5: Solve for x
    x = 435,072,620,819.81/915,938.37
  6. Step 6: Final answer
    x = 475,002.07

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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.