Home / 447,084.05-670,921.52-210,494.39

Finding the Fourth Proportional to 447,084.05, 670,921.52 and 210,494.39

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Solution

The fourth proportional to 447,084.05, 670,921.52 and 210,494.39 is: 315,880.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,084.05 : 670,921.52 = 210,494.39 : x
  2. Step 2: Convert to fraction form
    447,084.05/670,921.52 = 210,494.39/x
  3. Step 3: Cross multiply
    447,084.05x = 670,921.52 × 210,494.39
  4. Step 4: Simplify right side
    447,084.05x = 141,225,211,683.19
  5. Step 5: Solve for x
    x = 141,225,211,683.19/447,084.05
  6. Step 6: Final answer
    x = 315,880.68

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1.5x scale

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.