Home / 987,030.73-1,362,106.75-534,321.73

Finding the Fourth Proportional to 987,030.73, 1,362,106.75 and 534,321.73

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Solution

The fourth proportional to 987,030.73, 1,362,106.75 and 534,321.73 is: 737,366.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,030.73 : 1,362,106.75 = 534,321.73 : x
  2. Step 2: Convert to fraction form
    987,030.73/1,362,106.75 = 534,321.73/x
  3. Step 3: Cross multiply
    987,030.73x = 1,362,106.75 × 534,321.73
  4. Step 4: Simplify right side
    987,030.73x = 727,803,228,294.14
  5. Step 5: Solve for x
    x = 727,803,228,294.14/987,030.73
  6. Step 6: Final answer
    x = 737,366.34

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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.