Home / 444,829.20-665,688.60-407,504.40

Finding the Fourth Proportional to 444,829.20, 665,688.60 and 407,504.40

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Solution

The fourth proportional to 444,829.20, 665,688.60 and 407,504.40 is: 609,831.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,829.20 : 665,688.60 = 407,504.40 : x
  2. Step 2: Convert to fraction form
    444,829.20/665,688.60 = 407,504.40/x
  3. Step 3: Cross multiply
    444,829.20x = 665,688.60 × 407,504.40
  4. Step 4: Simplify right side
    444,829.20x = 271,271,033,529.84
  5. Step 5: Solve for x
    x = 271,271,033,529.84/444,829.20
  6. Step 6: Final answer
    x = 609,831.89

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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.