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Finding the Fourth Proportional to 706,642.62, 975,078.44 and 477,697.91

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Solution

The fourth proportional to 706,642.62, 975,078.44 and 477,697.91 is: 659,163.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,642.62 : 975,078.44 = 477,697.91 : x
  2. Step 2: Convert to fraction form
    706,642.62/975,078.44 = 477,697.91/x
  3. Step 3: Cross multiply
    706,642.62x = 975,078.44 × 477,697.91
  4. Step 4: Simplify right side
    706,642.62x = 465,792,927,401.55
  5. Step 5: Solve for x
    x = 465,792,927,401.55/706,642.62
  6. Step 6: Final answer
    x = 659,163.37

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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.