Home / 987,059.32-1,362,146.28-534,350.32

Finding the Fourth Proportional to 987,059.32, 1,362,146.28 and 534,350.32

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Solution

The fourth proportional to 987,059.32, 1,362,146.28 and 534,350.32 is: 737,405.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,059.32 : 1,362,146.28 = 534,350.32 : x
  2. Step 2: Convert to fraction form
    987,059.32/1,362,146.28 = 534,350.32/x
  3. Step 3: Cross multiply
    987,059.32x = 1,362,146.28 × 534,350.32
  4. Step 4: Simplify right side
    987,059.32x = 727,863,300,604.81
  5. Step 5: Solve for x
    x = 727,863,300,604.81/987,059.32
  6. Step 6: Final answer
    x = 737,405.83

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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.