Home / 978,055.79-1,466,926.23-267,917.87

Finding the Fourth Proportional to 978,055.79, 1,466,926.23 and 267,917.87

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Solution

The fourth proportional to 978,055.79, 1,466,926.23 and 267,917.87 is: 401,833.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,055.79 : 1,466,926.23 = 267,917.87 : x
  2. Step 2: Convert to fraction form
    978,055.79/1,466,926.23 = 267,917.87/x
  3. Step 3: Cross multiply
    978,055.79x = 1,466,926.23 × 267,917.87
  4. Step 4: Simplify right side
    978,055.79x = 393,015,750,988.73
  5. Step 5: Solve for x
    x = 393,015,750,988.73/978,055.79
  6. Step 6: Final answer
    x = 401,833.67

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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.