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Finding the Fourth Proportional to 507,997.65, 761,463.06 and 170,921.28

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Solution

The fourth proportional to 507,997.65, 761,463.06 and 170,921.28 is: 256,202.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,997.65 : 761,463.06 = 170,921.28 : x
  2. Step 2: Convert to fraction form
    507,997.65/761,463.06 = 170,921.28/x
  3. Step 3: Cross multiply
    507,997.65x = 761,463.06 × 170,921.28
  4. Step 4: Simplify right side
    507,997.65x = 130,150,238,673.39
  5. Step 5: Solve for x
    x = 130,150,238,673.39/507,997.65
  6. Step 6: Final answer
    x = 256,202.44

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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.