Home / 747,173.81-1,120,640.42-214,573.70

Finding the Fourth Proportional to 747,173.81, 1,120,640.42 and 214,573.70

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Solution

The fourth proportional to 747,173.81, 1,120,640.42 and 214,573.70 is: 321,826.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,173.81 : 1,120,640.42 = 214,573.70 : x
  2. Step 2: Convert to fraction form
    747,173.81/1,120,640.42 = 214,573.70/x
  3. Step 3: Cross multiply
    747,173.81x = 1,120,640.42 × 214,573.70
  4. Step 4: Simplify right side
    747,173.81x = 240,459,954,612.88
  5. Step 5: Solve for x
    x = 240,459,954,612.88/747,173.81
  6. Step 6: Final answer
    x = 321,826.00

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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.