Home / 455,135.55-627,937.29-294,085.49

Finding the Fourth Proportional to 455,135.55, 627,937.29 and 294,085.49

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Solution

The fourth proportional to 455,135.55, 627,937.29 and 294,085.49 is: 405,741.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,135.55 : 627,937.29 = 294,085.49 : x
  2. Step 2: Convert to fraction form
    455,135.55/627,937.29 = 294,085.49/x
  3. Step 3: Cross multiply
    455,135.55x = 627,937.29 × 294,085.49
  4. Step 4: Simplify right side
    455,135.55x = 184,667,242,479.24
  5. Step 5: Solve for x
    x = 184,667,242,479.24/455,135.55
  6. Step 6: Final answer
    x = 405,741.20

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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.