Home / 854,477.28-1,281,996.48-349,462.98

Finding the Fourth Proportional to 854,477.28, 1,281,996.48 and 349,462.98

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Solution

The fourth proportional to 854,477.28, 1,281,996.48 and 349,462.98 is: 524,309.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,477.28 : 1,281,996.48 = 349,462.98 : x
  2. Step 2: Convert to fraction form
    854,477.28/1,281,996.48 = 349,462.98/x
  3. Step 3: Cross multiply
    854,477.28x = 1,281,996.48 × 349,462.98
  4. Step 4: Simplify right side
    854,477.28x = 448,010,310,250.31
  5. Step 5: Solve for x
    x = 448,010,310,250.31/854,477.28
  6. Step 6: Final answer
    x = 524,309.21

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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.