Home / 985,345.25-1,477,361.56-354,177.05

Finding the Fourth Proportional to 985,345.25, 1,477,361.56 and 354,177.05

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Solution

The fourth proportional to 985,345.25, 1,477,361.56 and 354,177.05 is: 531,029.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,345.25 : 1,477,361.56 = 354,177.05 : x
  2. Step 2: Convert to fraction form
    985,345.25/1,477,361.56 = 354,177.05/x
  3. Step 3: Cross multiply
    985,345.25x = 1,477,361.56 × 354,177.05
  4. Step 4: Simplify right side
    985,345.25x = 523,247,559,104.20
  5. Step 5: Solve for x
    x = 523,247,559,104.20/985,345.25
  6. Step 6: Final answer
    x = 531,029.67

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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.