Home / 879,194.04-1,318,776.63-280,147.10

Finding the Fourth Proportional to 879,194.04, 1,318,776.63 and 280,147.10

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Solution

The fourth proportional to 879,194.04, 1,318,776.63 and 280,147.10 is: 420,216.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,194.04 : 1,318,776.63 = 280,147.10 : x
  2. Step 2: Convert to fraction form
    879,194.04/1,318,776.63 = 280,147.10/x
  3. Step 3: Cross multiply
    879,194.04x = 1,318,776.63 × 280,147.10
  4. Step 4: Simplify right side
    879,194.04x = 369,451,441,848.39
  5. Step 5: Solve for x
    x = 369,451,441,848.39/879,194.04
  6. Step 6: Final answer
    x = 420,216.04

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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.