Home / 828,473.30-1,242,697.32-372,742.64

Finding the Fourth Proportional to 828,473.30, 1,242,697.32 and 372,742.64

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Solution

The fourth proportional to 828,473.30, 1,242,697.32 and 372,742.64 is: 559,108.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,473.30 : 1,242,697.32 = 372,742.64 : x
  2. Step 2: Convert to fraction form
    828,473.30/1,242,697.32 = 372,742.64/x
  3. Step 3: Cross multiply
    828,473.30x = 1,242,697.32 × 372,742.64
  4. Step 4: Simplify right side
    828,473.30x = 463,206,279,777.73
  5. Step 5: Solve for x
    x = 463,206,279,777.73/828,473.30
  6. Step 6: Final answer
    x = 559,108.28

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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.