Home / 670,672.70-1,008,041.52-443,742.32

Finding the Fourth Proportional to 670,672.70, 1,008,041.52 and 443,742.32

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Solution

The fourth proportional to 670,672.70, 1,008,041.52 and 443,742.32 is: 666,958.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,672.70 : 1,008,041.52 = 443,742.32 : x
  2. Step 2: Convert to fraction form
    670,672.70/1,008,041.52 = 443,742.32/x
  3. Step 3: Cross multiply
    670,672.70x = 1,008,041.52 × 443,742.32
  4. Step 4: Simplify right side
    670,672.70x = 447,310,680,522.42
  5. Step 5: Solve for x
    x = 447,310,680,522.42/670,672.70
  6. Step 6: Final answer
    x = 666,958.24

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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.