Home / 572,736.96-790,365.60-318,079.44

Finding the Fourth Proportional to 572,736.96, 790,365.60 and 318,079.44

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Solution

The fourth proportional to 572,736.96, 790,365.60 and 318,079.44 is: 438,943.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,736.96 : 790,365.60 = 318,079.44 : x
  2. Step 2: Convert to fraction form
    572,736.96/790,365.60 = 318,079.44/x
  3. Step 3: Cross multiply
    572,736.96x = 790,365.60 × 318,079.44
  4. Step 4: Simplify right side
    572,736.96x = 251,399,047,443.26
  5. Step 5: Solve for x
    x = 251,399,047,443.26/572,736.96
  6. Step 6: Final answer
    x = 438,943.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.