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Finding the Fourth Proportional to 525,244.60, 788,450.10 and 325,790.20

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Solution

The fourth proportional to 525,244.60, 788,450.10 and 325,790.20 is: 489,047.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,244.60 : 788,450.10 = 325,790.20 : x
  2. Step 2: Convert to fraction form
    525,244.60/788,450.10 = 325,790.20/x
  3. Step 3: Cross multiply
    525,244.60x = 788,450.10 × 325,790.20
  4. Step 4: Simplify right side
    525,244.60x = 256,869,315,769.02
  5. Step 5: Solve for x
    x = 256,869,315,769.02/525,244.60
  6. Step 6: Final answer
    x = 489,047.04

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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.