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Finding the Fourth Proportional to 455,322.04, 627,760.26 and 373,348.24

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Solution

The fourth proportional to 455,322.04, 627,760.26 and 373,348.24 is: 514,741.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,322.04 : 627,760.26 = 373,348.24 : x
  2. Step 2: Convert to fraction form
    455,322.04/627,760.26 = 373,348.24/x
  3. Step 3: Cross multiply
    455,322.04x = 627,760.26 × 373,348.24
  4. Step 4: Simplify right side
    455,322.04x = 234,373,188,212.94
  5. Step 5: Solve for x
    x = 234,373,188,212.94/455,322.04
  6. Step 6: Final answer
    x = 514,741.58

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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.