Home / 631,976.25-872,015.12-373,864.08

Finding the Fourth Proportional to 631,976.25, 872,015.12 and 373,864.08

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Solution

The fourth proportional to 631,976.25, 872,015.12 and 373,864.08 is: 515,866.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,976.25 : 872,015.12 = 373,864.08 : x
  2. Step 2: Convert to fraction form
    631,976.25/872,015.12 = 373,864.08/x
  3. Step 3: Cross multiply
    631,976.25x = 872,015.12 × 373,864.08
  4. Step 4: Simplify right side
    631,976.25x = 326,015,128,715.57
  5. Step 5: Solve for x
    x = 326,015,128,715.57/631,976.25
  6. Step 6: Final answer
    x = 515,866.11

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.