Home / 969,866.30-1,454,709.69-457,413.94

Finding the Fourth Proportional to 969,866.30, 1,454,709.69 and 457,413.94

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Solution

The fourth proportional to 969,866.30, 1,454,709.69 and 457,413.94 is: 686,078.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,866.30 : 1,454,709.69 = 457,413.94 : x
  2. Step 2: Convert to fraction form
    969,866.30/1,454,709.69 = 457,413.94/x
  3. Step 3: Cross multiply
    969,866.30x = 1,454,709.69 × 457,413.94
  4. Step 4: Simplify right side
    969,866.30x = 665,404,490,859.08
  5. Step 5: Solve for x
    x = 665,404,490,859.08/969,866.30
  6. Step 6: Final answer
    x = 686,078.58

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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.