Home / 770,055.55-1,062,250.06-447,730.02

Finding the Fourth Proportional to 770,055.55, 1,062,250.06 and 447,730.02

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Solution

The fourth proportional to 770,055.55, 1,062,250.06 and 447,730.02 is: 617,619.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,055.55 : 1,062,250.06 = 447,730.02 : x
  2. Step 2: Convert to fraction form
    770,055.55/1,062,250.06 = 447,730.02/x
  3. Step 3: Cross multiply
    770,055.55x = 1,062,250.06 × 447,730.02
  4. Step 4: Simplify right side
    770,055.55x = 475,601,240,608.80
  5. Step 5: Solve for x
    x = 475,601,240,608.80/770,055.55
  6. Step 6: Final answer
    x = 617,619.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.