Home / 987,079.14-1,362,169.80-534,370.14

Finding the Fourth Proportional to 987,079.14, 1,362,169.80 and 534,370.14

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Solution

The fourth proportional to 987,079.14, 1,362,169.80 and 534,370.14 is: 737,431.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,079.14 : 1,362,169.80 = 534,370.14 : x
  2. Step 2: Convert to fraction form
    987,079.14/1,362,169.80 = 534,370.14/x
  3. Step 3: Cross multiply
    987,079.14x = 1,362,169.80 × 534,370.14
  4. Step 4: Simplify right side
    987,079.14x = 727,902,866,729.77
  5. Step 5: Solve for x
    x = 727,902,866,729.77/987,079.14
  6. Step 6: Final answer
    x = 737,431.11

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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.