Home / 879,183.60-1,318,775.40-214,335.60

Finding the Fourth Proportional to 879,183.60, 1,318,775.40 and 214,335.60

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Solution

The fourth proportional to 879,183.60, 1,318,775.40 and 214,335.60 is: 321,503.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,183.60 : 1,318,775.40 = 214,335.60 : x
  2. Step 2: Convert to fraction form
    879,183.60/1,318,775.40 = 214,335.60/x
  3. Step 3: Cross multiply
    879,183.60x = 1,318,775.40 × 214,335.60
  4. Step 4: Simplify right side
    879,183.60x = 282,660,516,624.24
  5. Step 5: Solve for x
    x = 282,660,516,624.24/879,183.60
  6. Step 6: Final answer
    x = 321,503.40

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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.