Home / 897,913.28-1,347,115.96-448,091.12

Finding the Fourth Proportional to 897,913.28, 1,347,115.96 and 448,091.12

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Solution

The fourth proportional to 897,913.28, 1,347,115.96 and 448,091.12 is: 672,259.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,913.28 : 1,347,115.96 = 448,091.12 : x
  2. Step 2: Convert to fraction form
    897,913.28/1,347,115.96 = 448,091.12/x
  3. Step 3: Cross multiply
    897,913.28x = 1,347,115.96 × 448,091.12
  4. Step 4: Simplify right side
    897,913.28x = 603,630,699,286.28
  5. Step 5: Solve for x
    x = 603,630,699,286.28/897,913.28
  6. Step 6: Final answer
    x = 672,259.46

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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.