Home / 528,051.60-792,077.40-318,099.60

Finding the Fourth Proportional to 528,051.60, 792,077.40 and 318,099.60

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Solution

The fourth proportional to 528,051.60, 792,077.40 and 318,099.60 is: 477,149.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,051.60 : 792,077.40 = 318,099.60 : x
  2. Step 2: Convert to fraction form
    528,051.60/792,077.40 = 318,099.60/x
  3. Step 3: Cross multiply
    528,051.60x = 792,077.40 × 318,099.60
  4. Step 4: Simplify right side
    528,051.60x = 251,959,504,109.04
  5. Step 5: Solve for x
    x = 251,959,504,109.04/528,051.60
  6. Step 6: Final answer
    x = 477,149.40

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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.