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Finding the Fourth Proportional to 528,000.60, 792,000.90 and 328,546.20

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Solution

The fourth proportional to 528,000.60, 792,000.90 and 328,546.20 is: 492,819.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,000.60 : 792,000.90 = 328,546.20 : x
  2. Step 2: Convert to fraction form
    528,000.60/792,000.90 = 328,546.20/x
  3. Step 3: Cross multiply
    528,000.60x = 792,000.90 × 328,546.20
  4. Step 4: Simplify right side
    528,000.60x = 260,208,886,091.58
  5. Step 5: Solve for x
    x = 260,208,886,091.58/528,000.60
  6. Step 6: Final answer
    x = 492,819.30

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Similar ratio
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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.