Home / 649,183.60-972,025.80-470,724.40

Finding the Fourth Proportional to 649,183.60, 972,025.80 and 470,724.40

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Solution

The fourth proportional to 649,183.60, 972,025.80 and 470,724.40 is: 704,817.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,183.60 : 972,025.80 = 470,724.40 : x
  2. Step 2: Convert to fraction form
    649,183.60/972,025.80 = 470,724.40/x
  3. Step 3: Cross multiply
    649,183.60x = 972,025.80 × 470,724.40
  4. Step 4: Simplify right side
    649,183.60x = 457,556,261,489.52
  5. Step 5: Solve for x
    x = 457,556,261,489.52/649,183.60
  6. Step 6: Final answer
    x = 704,817.96

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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.