Home / 745,029.60-1,116,912.60-271,438.80

Finding the Fourth Proportional to 745,029.60, 1,116,912.60 and 271,438.80

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Solution

The fourth proportional to 745,029.60, 1,116,912.60 and 271,438.80 is: 406,928.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,029.60 : 1,116,912.60 = 271,438.80 : x
  2. Step 2: Convert to fraction form
    745,029.60/1,116,912.60 = 271,438.80/x
  3. Step 3: Cross multiply
    745,029.60x = 1,116,912.60 × 271,438.80
  4. Step 4: Simplify right side
    745,029.60x = 303,173,415,848.88
  5. Step 5: Solve for x
    x = 303,173,415,848.88/745,029.60
  6. Step 6: Final answer
    x = 406,928.01

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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.