Home / 899,789.60-1,350,202.80-339,226.40

Finding the Fourth Proportional to 899,789.60, 1,350,202.80 and 339,226.40

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Solution

The fourth proportional to 899,789.60, 1,350,202.80 and 339,226.40 is: 509,035.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,789.60 : 1,350,202.80 = 339,226.40 : x
  2. Step 2: Convert to fraction form
    899,789.60/1,350,202.80 = 339,226.40/x
  3. Step 3: Cross multiply
    899,789.60x = 1,350,202.80 × 339,226.40
  4. Step 4: Simplify right side
    899,789.60x = 458,024,435,113.92
  5. Step 5: Solve for x
    x = 458,024,435,113.92/899,789.60
  6. Step 6: Final answer
    x = 509,035.04

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1.5x scale

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.