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Finding the Fourth Proportional to 662,540.94, 993,284.91 and 288,301.50

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Solution

The fourth proportional to 662,540.94, 993,284.91 and 288,301.50 is: 432,223.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,540.94 : 993,284.91 = 288,301.50 : x
  2. Step 2: Convert to fraction form
    662,540.94/993,284.91 = 288,301.50/x
  3. Step 3: Cross multiply
    662,540.94x = 993,284.91 × 288,301.50
  4. Step 4: Simplify right side
    662,540.94x = 286,365,529,480.37
  5. Step 5: Solve for x
    x = 286,365,529,480.37/662,540.94
  6. Step 6: Final answer
    x = 432,223.15

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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.