Home / 789,455.66-1,184,276.03-276,964.11

Finding the Fourth Proportional to 789,455.66, 1,184,276.03 and 276,964.11

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Solution

The fourth proportional to 789,455.66, 1,184,276.03 and 276,964.11 is: 415,478.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,455.66 : 1,184,276.03 = 276,964.11 : x
  2. Step 2: Convert to fraction form
    789,455.66/1,184,276.03 = 276,964.11/x
  3. Step 3: Cross multiply
    789,455.66x = 1,184,276.03 × 276,964.11
  4. Step 4: Simplify right side
    789,455.66x = 328,001,955,258.46
  5. Step 5: Solve for x
    x = 328,001,955,258.46/789,455.66
  6. Step 6: Final answer
    x = 415,478.63

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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.