Home / 876,385.40-1,314,621.30-456,481.40

Finding the Fourth Proportional to 876,385.40, 1,314,621.30 and 456,481.40

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Solution

The fourth proportional to 876,385.40, 1,314,621.30 and 456,481.40 is: 684,744.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,385.40 : 1,314,621.30 = 456,481.40 : x
  2. Step 2: Convert to fraction form
    876,385.40/1,314,621.30 = 456,481.40/x
  3. Step 3: Cross multiply
    876,385.40x = 1,314,621.30 × 456,481.40
  4. Step 4: Simplify right side
    876,385.40x = 600,100,171,493.82
  5. Step 5: Solve for x
    x = 600,100,171,493.82/876,385.40
  6. Step 6: Final answer
    x = 684,744.60

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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.