Home / 972,923.90-1,342,578.56-543,231.23

Finding the Fourth Proportional to 972,923.90, 1,342,578.56 and 543,231.23

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Solution

The fourth proportional to 972,923.90, 1,342,578.56 and 543,231.23 is: 749,627.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,923.90 : 1,342,578.56 = 543,231.23 : x
  2. Step 2: Convert to fraction form
    972,923.90/1,342,578.56 = 543,231.23/x
  3. Step 3: Cross multiply
    972,923.90x = 1,342,578.56 × 543,231.23
  4. Step 4: Simplify right side
    972,923.90x = 729,330,593,091.38
  5. Step 5: Solve for x
    x = 729,330,593,091.38/972,923.90
  6. Step 6: Final answer
    x = 749,627.59

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1.5x scale

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.