Home / 729,140.40-1,093,710.60-414,212.40

Finding the Fourth Proportional to 729,140.40, 1,093,710.60 and 414,212.40

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Solution

The fourth proportional to 729,140.40, 1,093,710.60 and 414,212.40 is: 621,318.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,140.40 : 1,093,710.60 = 414,212.40 : x
  2. Step 2: Convert to fraction form
    729,140.40/1,093,710.60 = 414,212.40/x
  3. Step 3: Cross multiply
    729,140.40x = 1,093,710.60 × 414,212.40
  4. Step 4: Simplify right side
    729,140.40x = 453,028,492,531.44
  5. Step 5: Solve for x
    x = 453,028,492,531.44/729,140.40
  6. Step 6: Final answer
    x = 621,318.60

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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.