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Finding the Fourth Proportional to 488,955.20, 734,599.20 and 437,633.60

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Solution

The fourth proportional to 488,955.20, 734,599.20 and 437,633.60 is: 657,494.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,955.20 : 734,599.20 = 437,633.60 : x
  2. Step 2: Convert to fraction form
    488,955.20/734,599.20 = 437,633.60/x
  3. Step 3: Cross multiply
    488,955.20x = 734,599.20 × 437,633.60
  4. Step 4: Simplify right side
    488,955.20x = 321,485,292,453.12
  5. Step 5: Solve for x
    x = 321,485,292,453.12/488,955.20
  6. Step 6: Final answer
    x = 657,494.37

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1.5x scale

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.