Home / 802,413.88-1,106,685.48-705,410.33

Finding the Fourth Proportional to 802,413.88, 1,106,685.48 and 705,410.33

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Solution

The fourth proportional to 802,413.88, 1,106,685.48 and 705,410.33 is: 972,898.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,413.88 : 1,106,685.48 = 705,410.33 : x
  2. Step 2: Convert to fraction form
    802,413.88/1,106,685.48 = 705,410.33/x
  3. Step 3: Cross multiply
    802,413.88x = 1,106,685.48 × 705,410.33
  4. Step 4: Simplify right side
    802,413.88x = 780,667,368,649.82
  5. Step 5: Solve for x
    x = 780,667,368,649.82/802,413.88
  6. Step 6: Final answer
    x = 972,898.64

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1.5x scale

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.