Home / 946,403.72-1,305,988.04-538,497.32

Finding the Fourth Proportional to 946,403.72, 1,305,988.04 and 538,497.32

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Solution

The fourth proportional to 946,403.72, 1,305,988.04 and 538,497.32 is: 743,098.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,403.72 : 1,305,988.04 = 538,497.32 : x
  2. Step 2: Convert to fraction form
    946,403.72/1,305,988.04 = 538,497.32/x
  3. Step 3: Cross multiply
    946,403.72x = 1,305,988.04 × 538,497.32
  4. Step 4: Simplify right side
    946,403.72x = 703,271,059,492.05
  5. Step 5: Solve for x
    x = 703,271,059,492.05/946,403.72
  6. Step 6: Final answer
    x = 743,098.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.