Home / 972,824.42-1,342,461.93-543,122.66

Finding the Fourth Proportional to 972,824.42, 1,342,461.93 and 543,122.66

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Solution

The fourth proportional to 972,824.42, 1,342,461.93 and 543,122.66 is: 749,489.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,824.42 : 1,342,461.93 = 543,122.66 : x
  2. Step 2: Convert to fraction form
    972,824.42/1,342,461.93 = 543,122.66/x
  3. Step 3: Cross multiply
    972,824.42x = 1,342,461.93 × 543,122.66
  4. Step 4: Simplify right side
    972,824.42x = 729,121,494,370.33
  5. Step 5: Solve for x
    x = 729,121,494,370.33/972,824.42
  6. Step 6: Final answer
    x = 749,489.30

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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.