Home / 705,017.16-972,917.19-382,727.07

Finding the Fourth Proportional to 705,017.16, 972,917.19 and 382,727.07

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Solution

The fourth proportional to 705,017.16, 972,917.19 and 382,727.07 is: 528,159.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,017.16 : 972,917.19 = 382,727.07 : x
  2. Step 2: Convert to fraction form
    705,017.16/972,917.19 = 382,727.07/x
  3. Step 3: Cross multiply
    705,017.16x = 972,917.19 × 382,727.07
  4. Step 4: Simplify right side
    705,017.16x = 372,361,745,481.33
  5. Step 5: Solve for x
    x = 372,361,745,481.33/705,017.16
  6. Step 6: Final answer
    x = 528,159.83

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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.