Home / 987,063.70-1,362,148.41-534,354.70

Finding the Fourth Proportional to 987,063.70, 1,362,148.41 and 534,354.70

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Solution

The fourth proportional to 987,063.70, 1,362,148.41 and 534,354.70 is: 737,409.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,063.70 : 1,362,148.41 = 534,354.70 : x
  2. Step 2: Convert to fraction form
    987,063.70/1,362,148.41 = 534,354.70/x
  3. Step 3: Cross multiply
    987,063.70x = 1,362,148.41 × 534,354.70
  4. Step 4: Simplify right side
    987,063.70x = 727,870,404,981.03
  5. Step 5: Solve for x
    x = 727,870,404,981.03/987,063.70
  6. Step 6: Final answer
    x = 737,409.76

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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.