Home / 948,709.90-1,423,239.81-300,449.62

Finding the Fourth Proportional to 948,709.90, 1,423,239.81 and 300,449.62

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Solution

The fourth proportional to 948,709.90, 1,423,239.81 and 300,449.62 is: 450,729.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,709.90 : 1,423,239.81 = 300,449.62 : x
  2. Step 2: Convert to fraction form
    948,709.90/1,423,239.81 = 300,449.62/x
  3. Step 3: Cross multiply
    948,709.90x = 1,423,239.81 × 300,449.62
  4. Step 4: Simplify right side
    948,709.90x = 427,611,860,083.37
  5. Step 5: Solve for x
    x = 427,611,860,083.37/948,709.90
  6. Step 6: Final answer
    x = 450,729.84

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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.