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Finding the Fourth Proportional to 672,768.32, 928,408.43 and 366,847.11

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Solution

The fourth proportional to 672,768.32, 928,408.43 and 366,847.11 is: 506,242.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,768.32 : 928,408.43 = 366,847.11 : x
  2. Step 2: Convert to fraction form
    672,768.32/928,408.43 = 366,847.11/x
  3. Step 3: Cross multiply
    672,768.32x = 928,408.43 × 366,847.11
  4. Step 4: Simplify right side
    672,768.32x = 340,583,950,362.26
  5. Step 5: Solve for x
    x = 340,583,950,362.26/672,768.32
  6. Step 6: Final answer
    x = 506,242.55

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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.