Home / 987,016.35-1,362,086.91-534,307.35

Finding the Fourth Proportional to 987,016.35, 1,362,086.91 and 534,307.35

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Solution

The fourth proportional to 987,016.35, 1,362,086.91 and 534,307.35 is: 737,346.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,016.35 : 1,362,086.91 = 534,307.35 : x
  2. Step 2: Convert to fraction form
    987,016.35/1,362,086.91 = 534,307.35/x
  3. Step 3: Cross multiply
    987,016.35x = 1,362,086.91 × 534,307.35
  4. Step 4: Simplify right side
    987,016.35x = 727,773,047,351.79
  5. Step 5: Solve for x
    x = 727,773,047,351.79/987,016.35
  6. Step 6: Final answer
    x = 737,346.50

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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.