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Finding the Fourth Proportional to 446,602.60, 669,126.30 and 288,749.80

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Solution

The fourth proportional to 446,602.60, 669,126.30 and 288,749.80 is: 432,621.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,602.60 : 669,126.30 = 288,749.80 : x
  2. Step 2: Convert to fraction form
    446,602.60/669,126.30 = 288,749.80/x
  3. Step 3: Cross multiply
    446,602.60x = 669,126.30 × 288,749.80
  4. Step 4: Simplify right side
    446,602.60x = 193,210,085,299.74
  5. Step 5: Solve for x
    x = 193,210,085,299.74/446,602.60
  6. Step 6: Final answer
    x = 432,621.94

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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.