Home / 854,437.94-1,280,535.72-628,741.58

Finding the Fourth Proportional to 854,437.94, 1,280,535.72 and 628,741.58

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Solution

The fourth proportional to 854,437.94, 1,280,535.72 and 628,741.58 is: 942,287.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,437.94 : 1,280,535.72 = 628,741.58 : x
  2. Step 2: Convert to fraction form
    854,437.94/1,280,535.72 = 628,741.58/x
  3. Step 3: Cross multiply
    854,437.94x = 1,280,535.72 × 628,741.58
  4. Step 4: Simplify right side
    854,437.94x = 805,126,051,839.24
  5. Step 5: Solve for x
    x = 805,126,051,839.24/854,437.94
  6. Step 6: Final answer
    x = 942,287.34

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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.