Home / 447,207.60-670,811.40-444,583.20

Finding the Fourth Proportional to 447,207.60, 670,811.40 and 444,583.20

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Solution

The fourth proportional to 447,207.60, 670,811.40 and 444,583.20 is: 666,874.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,207.60 : 670,811.40 = 444,583.20 : x
  2. Step 2: Convert to fraction form
    447,207.60/670,811.40 = 444,583.20/x
  3. Step 3: Cross multiply
    447,207.60x = 670,811.40 × 444,583.20
  4. Step 4: Simplify right side
    447,207.60x = 298,231,478,808.48
  5. Step 5: Solve for x
    x = 298,231,478,808.48/447,207.60
  6. Step 6: Final answer
    x = 666,874.80

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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.