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Finding the Fourth Proportional to 659,284.58, 909,830.61 and 372,847.50

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Solution

The fourth proportional to 659,284.58, 909,830.61 and 372,847.50 is: 514,539.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,284.58 : 909,830.61 = 372,847.50 : x
  2. Step 2: Convert to fraction form
    659,284.58/909,830.61 = 372,847.50/x
  3. Step 3: Cross multiply
    659,284.58x = 909,830.61 × 372,847.50
  4. Step 4: Simplify right side
    659,284.58x = 339,228,068,361.98
  5. Step 5: Solve for x
    x = 339,228,068,361.98/659,284.58
  6. Step 6: Final answer
    x = 514,539.67

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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.