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Finding the Fourth Proportional to 490,809.60, 736,214.40 and 175,622.40

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Solution

The fourth proportional to 490,809.60, 736,214.40 and 175,622.40 is: 263,433.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,809.60 : 736,214.40 = 175,622.40 : x
  2. Step 2: Convert to fraction form
    490,809.60/736,214.40 = 175,622.40/x
  3. Step 3: Cross multiply
    490,809.60x = 736,214.40 × 175,622.40
  4. Step 4: Simplify right side
    490,809.60x = 129,295,739,842.56
  5. Step 5: Solve for x
    x = 129,295,739,842.56/490,809.60
  6. Step 6: Final answer
    x = 263,433.60

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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.