Home / 972,911.88-1,342,561.98-543,219.23

Finding the Fourth Proportional to 972,911.88, 1,342,561.98 and 543,219.23

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Solution

The fourth proportional to 972,911.88, 1,342,561.98 and 543,219.23 is: 749,611.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,911.88 : 1,342,561.98 = 543,219.23 : x
  2. Step 2: Convert to fraction form
    972,911.88/1,342,561.98 = 543,219.23/x
  3. Step 3: Cross multiply
    972,911.88x = 1,342,561.98 × 543,219.23
  4. Step 4: Simplify right side
    972,911.88x = 729,305,478,290.07
  5. Step 5: Solve for x
    x = 729,305,478,290.07/972,911.88
  6. Step 6: Final answer
    x = 749,611.03

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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.