Home / 897,378.40-1,345,776.24-298,178.64

Finding the Fourth Proportional to 897,378.40, 1,345,776.24 and 298,178.64

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Solution

The fourth proportional to 897,378.40, 1,345,776.24 and 298,178.64 is: 447,171.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,378.40 : 1,345,776.24 = 298,178.64 : x
  2. Step 2: Convert to fraction form
    897,378.40/1,345,776.24 = 298,178.64/x
  3. Step 3: Cross multiply
    897,378.40x = 1,345,776.24 × 298,178.64
  4. Step 4: Simplify right side
    897,378.40x = 401,281,728,987.51
  5. Step 5: Solve for x
    x = 401,281,728,987.51/897,378.40
  6. Step 6: Final answer
    x = 447,171.15

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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.