Home / 893,866.51-1,340,378.16-324,847.45

Finding the Fourth Proportional to 893,866.51, 1,340,378.16 and 324,847.45

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Solution

The fourth proportional to 893,866.51, 1,340,378.16 and 324,847.45 is: 487,117.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,866.51 : 1,340,378.16 = 324,847.45 : x
  2. Step 2: Convert to fraction form
    893,866.51/1,340,378.16 = 324,847.45/x
  3. Step 3: Cross multiply
    893,866.51x = 1,340,378.16 × 324,847.45
  4. Step 4: Simplify right side
    893,866.51x = 435,418,427,311.69
  5. Step 5: Solve for x
    x = 435,418,427,311.69/893,866.51
  6. Step 6: Final answer
    x = 487,117.96

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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.