Home / 509,782.16-764,765.22-210,096.20

Finding the Fourth Proportional to 509,782.16, 764,765.22 and 210,096.20

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Solution

The fourth proportional to 509,782.16, 764,765.22 and 210,096.20 is: 315,182.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,782.16 : 764,765.22 = 210,096.20 : x
  2. Step 2: Convert to fraction form
    509,782.16/764,765.22 = 210,096.20/x
  3. Step 3: Cross multiply
    509,782.16x = 764,765.22 × 210,096.20
  4. Step 4: Simplify right side
    509,782.16x = 160,674,266,614.16
  5. Step 5: Solve for x
    x = 160,674,266,614.16/509,782.16
  6. Step 6: Final answer
    x = 315,182.21

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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.