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Finding the Fourth Proportional to 549,777.60, 759,058.56 and 422,225.28

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Solution

The fourth proportional to 549,777.60, 759,058.56 and 422,225.28 is: 582,951.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,777.60 : 759,058.56 = 422,225.28 : x
  2. Step 2: Convert to fraction form
    549,777.60/759,058.56 = 422,225.28/x
  3. Step 3: Cross multiply
    549,777.60x = 759,058.56 × 422,225.28
  4. Step 4: Simplify right side
    549,777.60x = 320,493,713,032.40
  5. Step 5: Solve for x
    x = 320,493,713,032.40/549,777.60
  6. Step 6: Final answer
    x = 582,951.57

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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.