Home / 744,952.84-1,028,015.22-405,413.80

Finding the Fourth Proportional to 744,952.84, 1,028,015.22 and 405,413.80

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Solution

The fourth proportional to 744,952.84, 1,028,015.22 and 405,413.80 is: 559,460.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,952.84 : 1,028,015.22 = 405,413.80 : x
  2. Step 2: Convert to fraction form
    744,952.84/1,028,015.22 = 405,413.80/x
  3. Step 3: Cross multiply
    744,952.84x = 1,028,015.22 × 405,413.80
  4. Step 4: Simplify right side
    744,952.84x = 416,771,556,798.04
  5. Step 5: Solve for x
    x = 416,771,556,798.04/744,952.84
  6. Step 6: Final answer
    x = 559,460.32

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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.