Home / 897,103.28-1,345,425.69-265,869.74

Finding the Fourth Proportional to 897,103.28, 1,345,425.69 and 265,869.74

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Solution

The fourth proportional to 897,103.28, 1,345,425.69 and 265,869.74 is: 398,736.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,103.28 : 1,345,425.69 = 265,869.74 : x
  2. Step 2: Convert to fraction form
    897,103.28/1,345,425.69 = 265,869.74/x
  3. Step 3: Cross multiply
    897,103.28x = 1,345,425.69 × 265,869.74
  4. Step 4: Simplify right side
    897,103.28x = 357,707,978,389.62
  5. Step 5: Solve for x
    x = 357,707,978,389.62/897,103.28
  6. Step 6: Final answer
    x = 398,736.67

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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.