Home / 347,022.20-520,047.30-276,066.20

Finding the Fourth Proportional to 347,022.20, 520,047.30 and 276,066.20

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Solution

The fourth proportional to 347,022.20, 520,047.30 and 276,066.20 is: 413,712.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,022.20 : 520,047.30 = 276,066.20 : x
  2. Step 2: Convert to fraction form
    347,022.20/520,047.30 = 276,066.20/x
  3. Step 3: Cross multiply
    347,022.20x = 520,047.30 × 276,066.20
  4. Step 4: Simplify right side
    347,022.20x = 143,567,481,931.26
  5. Step 5: Solve for x
    x = 143,567,481,931.26/347,022.20
  6. Step 6: Final answer
    x = 413,712.67

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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.