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Finding the Fourth Proportional to 460,011.20, 688,704.60 and 407,523.20

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Solution

The fourth proportional to 460,011.20, 688,704.60 and 407,523.20 is: 610,122.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,011.20 : 688,704.60 = 407,523.20 : x
  2. Step 2: Convert to fraction form
    460,011.20/688,704.60 = 407,523.20/x
  3. Step 3: Cross multiply
    460,011.20x = 688,704.60 × 407,523.20
  4. Step 4: Simplify right side
    460,011.20x = 280,663,102,446.72
  5. Step 5: Solve for x
    x = 280,663,102,446.72/460,011.20
  6. Step 6: Final answer
    x = 610,122.32

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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.