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Finding the Fourth Proportional to 671,920.15, 927,249.88 and 370,114.15

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Solution

The fourth proportional to 671,920.15, 927,249.88 and 370,114.15 is: 510,757.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,920.15 : 927,249.88 = 370,114.15 : x
  2. Step 2: Convert to fraction form
    671,920.15/927,249.88 = 370,114.15/x
  3. Step 3: Cross multiply
    671,920.15x = 927,249.88 × 370,114.15
  4. Step 4: Simplify right side
    671,920.15x = 343,188,295,612.27
  5. Step 5: Solve for x
    x = 343,188,295,612.27/671,920.15
  6. Step 6: Final answer
    x = 510,757.56

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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.