Home / 447,084.42-670,922.09-210,494.76

Finding the Fourth Proportional to 447,084.42, 670,922.09 and 210,494.76

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Solution

The fourth proportional to 447,084.42, 670,922.09 and 210,494.76 is: 315,881.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,084.42 : 670,922.09 = 210,494.76 : x
  2. Step 2: Convert to fraction form
    447,084.42/670,922.09 = 210,494.76/x
  3. Step 3: Cross multiply
    447,084.42x = 670,922.09 × 210,494.76
  4. Step 4: Simplify right side
    447,084.42x = 141,225,583,260.78
  5. Step 5: Solve for x
    x = 141,225,583,260.78/447,084.42
  6. Step 6: Final answer
    x = 315,881.25

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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.