Home / 854,477.78-1,281,997.23-349,463.48

Finding the Fourth Proportional to 854,477.78, 1,281,997.23 and 349,463.48

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Solution

The fourth proportional to 854,477.78, 1,281,997.23 and 349,463.48 is: 524,309.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,477.78 : 1,281,997.23 = 349,463.48 : x
  2. Step 2: Convert to fraction form
    854,477.78/1,281,997.23 = 349,463.48/x
  3. Step 3: Cross multiply
    854,477.78x = 1,281,997.23 × 349,463.48
  4. Step 4: Simplify right side
    854,477.78x = 448,011,213,346.16
  5. Step 5: Solve for x
    x = 448,011,213,346.16/854,477.78
  6. Step 6: Final answer
    x = 524,309.96

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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.