Home / 854,467.98-1,281,789.72-322,436.76

Finding the Fourth Proportional to 854,467.98, 1,281,789.72 and 322,436.76

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Solution

The fourth proportional to 854,467.98, 1,281,789.72 and 322,436.76 is: 483,688.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,467.98 : 1,281,789.72 = 322,436.76 : x
  2. Step 2: Convert to fraction form
    854,467.98/1,281,789.72 = 322,436.76/x
  3. Step 3: Cross multiply
    854,467.98x = 1,281,789.72 × 322,436.76
  4. Step 4: Simplify right side
    854,467.98x = 413,296,124,318.11
  5. Step 5: Solve for x
    x = 413,296,124,318.11/854,467.98
  6. Step 6: Final answer
    x = 483,688.25

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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.