Home / 656,371.60-984,557.40-213,139.60

Finding the Fourth Proportional to 656,371.60, 984,557.40 and 213,139.60

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Solution

The fourth proportional to 656,371.60, 984,557.40 and 213,139.60 is: 319,709.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,371.60 : 984,557.40 = 213,139.60 : x
  2. Step 2: Convert to fraction form
    656,371.60/984,557.40 = 213,139.60/x
  3. Step 3: Cross multiply
    656,371.60x = 984,557.40 × 213,139.60
  4. Step 4: Simplify right side
    656,371.60x = 209,848,170,413.04
  5. Step 5: Solve for x
    x = 209,848,170,413.04/656,371.60
  6. Step 6: Final answer
    x = 319,709.40

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.