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Finding the Fourth Proportional to 647,559.48, 970,743.06 and 437,270.52

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Solution

The fourth proportional to 647,559.48, 970,743.06 and 437,270.52 is: 655,503.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,559.48 : 970,743.06 = 437,270.52 : x
  2. Step 2: Convert to fraction form
    647,559.48/970,743.06 = 437,270.52/x
  3. Step 3: Cross multiply
    647,559.48x = 970,743.06 × 437,270.52
  4. Step 4: Simplify right side
    647,559.48x = 424,477,322,632.59
  5. Step 5: Solve for x
    x = 424,477,322,632.59/647,559.48
  6. Step 6: Final answer
    x = 655,503.22

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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.