Home / 824,286.72-1,234,402.56-402,201.60

Finding the Fourth Proportional to 824,286.72, 1,234,402.56 and 402,201.60

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Solution

The fourth proportional to 824,286.72, 1,234,402.56 and 402,201.60 is: 602,313.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,286.72 : 1,234,402.56 = 402,201.60 : x
  2. Step 2: Convert to fraction form
    824,286.72/1,234,402.56 = 402,201.60/x
  3. Step 3: Cross multiply
    824,286.72x = 1,234,402.56 × 402,201.60
  4. Step 4: Simplify right side
    824,286.72x = 496,478,684,676.10
  5. Step 5: Solve for x
    x = 496,478,684,676.10/824,286.72
  6. Step 6: Final answer
    x = 602,313.09

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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.