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Finding the Fourth Proportional to 546,836.80, 820,255.20 and 306,704.20

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Solution

The fourth proportional to 546,836.80, 820,255.20 and 306,704.20 is: 460,056.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,836.80 : 820,255.20 = 306,704.20 : x
  2. Step 2: Convert to fraction form
    546,836.80/820,255.20 = 306,704.20/x
  3. Step 3: Cross multiply
    546,836.80x = 820,255.20 × 306,704.20
  4. Step 4: Simplify right side
    546,836.80x = 251,575,714,911.84
  5. Step 5: Solve for x
    x = 251,575,714,911.84/546,836.80
  6. Step 6: Final answer
    x = 460,056.30

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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.