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Finding the Fourth Proportional to 490,295.20, 735,442.80 and 467,485.60

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Solution

The fourth proportional to 490,295.20, 735,442.80 and 467,485.60 is: 701,228.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,295.20 : 735,442.80 = 467,485.60 : x
  2. Step 2: Convert to fraction form
    490,295.20/735,442.80 = 467,485.60/x
  3. Step 3: Cross multiply
    490,295.20x = 735,442.80 × 467,485.60
  4. Step 4: Simplify right side
    490,295.20x = 343,808,918,623.68
  5. Step 5: Solve for x
    x = 343,808,918,623.68/490,295.20
  6. Step 6: Final answer
    x = 701,228.40

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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.