Home / 447,270.32-670,905.36-306,602.48

Finding the Fourth Proportional to 447,270.32, 670,905.36 and 306,602.48

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Solution

The fourth proportional to 447,270.32, 670,905.36 and 306,602.48 is: 459,903.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,270.32 : 670,905.36 = 306,602.48 : x
  2. Step 2: Convert to fraction form
    447,270.32/670,905.36 = 306,602.48/x
  3. Step 3: Cross multiply
    447,270.32x = 670,905.36 × 306,602.48
  4. Step 4: Simplify right side
    447,270.32x = 205,701,247,221.29
  5. Step 5: Solve for x
    x = 205,701,247,221.29/447,270.32
  6. Step 6: Final answer
    x = 459,903.64

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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.