Home / 921,241.23-1,381,990.84-322,066.10

Finding the Fourth Proportional to 921,241.23, 1,381,990.84 and 322,066.10

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Solution

The fourth proportional to 921,241.23, 1,381,990.84 and 322,066.10 is: 483,144.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,241.23 : 1,381,990.84 = 322,066.10 : x
  2. Step 2: Convert to fraction form
    921,241.23/1,381,990.84 = 322,066.10/x
  3. Step 3: Cross multiply
    921,241.23x = 1,381,990.84 × 322,066.10
  4. Step 4: Simplify right side
    921,241.23x = 445,092,398,464.19
  5. Step 5: Solve for x
    x = 445,092,398,464.19/921,241.23
  6. Step 6: Final answer
    x = 483,144.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.