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Finding the Fourth Proportional to 507,313.60, 700,092.48 and 280,958.88

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Solution

The fourth proportional to 507,313.60, 700,092.48 and 280,958.88 is: 387,723.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,313.60 : 700,092.48 = 280,958.88 : x
  2. Step 2: Convert to fraction form
    507,313.60/700,092.48 = 280,958.88/x
  3. Step 3: Cross multiply
    507,313.60x = 700,092.48 × 280,958.88
  4. Step 4: Simplify right side
    507,313.60x = 196,697,199,077.22
  5. Step 5: Solve for x
    x = 196,697,199,077.22/507,313.60
  6. Step 6: Final answer
    x = 387,723.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.