Home / 897,578.12-1,345,422.05-298,378.46

Finding the Fourth Proportional to 897,578.12, 1,345,422.05 and 298,378.46

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Solution

The fourth proportional to 897,578.12, 1,345,422.05 and 298,378.46 is: 447,253.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,578.12 : 1,345,422.05 = 298,378.46 : x
  2. Step 2: Convert to fraction form
    897,578.12/1,345,422.05 = 298,378.46/x
  3. Step 3: Cross multiply
    897,578.12x = 1,345,422.05 × 298,378.46
  4. Step 4: Simplify right side
    897,578.12x = 401,444,962,319.63
  5. Step 5: Solve for x
    x = 401,444,962,319.63/897,578.12
  6. Step 6: Final answer
    x = 447,253.51

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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.