Home / 883,501.64-1,325,408.30-323,318.60

Finding the Fourth Proportional to 883,501.64, 1,325,408.30 and 323,318.60

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Solution

The fourth proportional to 883,501.64, 1,325,408.30 and 323,318.60 is: 485,034.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,501.64 : 1,325,408.30 = 323,318.60 : x
  2. Step 2: Convert to fraction form
    883,501.64/1,325,408.30 = 323,318.60/x
  3. Step 3: Cross multiply
    883,501.64x = 1,325,408.30 × 323,318.60
  4. Step 4: Simplify right side
    883,501.64x = 428,529,155,984.38
  5. Step 5: Solve for x
    x = 428,529,155,984.38/883,501.64
  6. Step 6: Final answer
    x = 485,034.93

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1.5x scale

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.