Home / 854,807.46-1,281,078.63-454,586.46

Finding the Fourth Proportional to 854,807.46, 1,281,078.63 and 454,586.46

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Solution

The fourth proportional to 854,807.46, 1,281,078.63 and 454,586.46 is: 681,277.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,807.46 : 1,281,078.63 = 454,586.46 : x
  2. Step 2: Convert to fraction form
    854,807.46/1,281,078.63 = 454,586.46/x
  3. Step 3: Cross multiply
    854,807.46x = 1,281,078.63 × 454,586.46
  4. Step 4: Simplify right side
    854,807.46x = 582,360,999,393.35
  5. Step 5: Solve for x
    x = 582,360,999,393.35/854,807.46
  6. Step 6: Final answer
    x = 681,277.39

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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.