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Finding the Fourth Proportional to 978,041.07, 1,466,904.24 and 267,903.09

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Solution

The fourth proportional to 978,041.07, 1,466,904.24 and 267,903.09 is: 401,811.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,041.07 : 1,466,904.24 = 267,903.09 : x
  2. Step 2: Convert to fraction form
    978,041.07/1,466,904.24 = 267,903.09/x
  3. Step 3: Cross multiply
    978,041.07x = 1,466,904.24 × 267,903.09
  4. Step 4: Simplify right side
    978,041.07x = 392,988,178,630.10
  5. Step 5: Solve for x
    x = 392,988,178,630.10/978,041.07
  6. Step 6: Final answer
    x = 401,811.53

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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.