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Finding the Fourth Proportional to 455,311.02, 627,745.08 and 373,337.24

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Solution

The fourth proportional to 455,311.02, 627,745.08 and 373,337.24 is: 514,726.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,311.02 : 627,745.08 = 373,337.24 : x
  2. Step 2: Convert to fraction form
    455,311.02/627,745.08 = 373,337.24/x
  3. Step 3: Cross multiply
    455,311.02x = 627,745.08 × 373,337.24
  4. Step 4: Simplify right side
    455,311.02x = 234,360,615,590.78
  5. Step 5: Solve for x
    x = 234,360,615,590.78/455,311.02
  6. Step 6: Final answer
    x = 514,726.43

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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.