Home / 862,023.85-1,291,873.24-435,860.32

Finding the Fourth Proportional to 862,023.85, 1,291,873.24 and 435,860.32

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Solution

The fourth proportional to 862,023.85, 1,291,873.24 and 435,860.32 is: 653,202.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,023.85 : 1,291,873.24 = 435,860.32 : x
  2. Step 2: Convert to fraction form
    862,023.85/1,291,873.24 = 435,860.32/x
  3. Step 3: Cross multiply
    862,023.85x = 1,291,873.24 × 435,860.32
  4. Step 4: Simplify right side
    862,023.85x = 563,076,280,556.15
  5. Step 5: Solve for x
    x = 563,076,280,556.15/862,023.85
  6. Step 6: Final answer
    x = 653,202.67

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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.