Home / 835,628.72-1,152,053.96-664,119.28

Finding the Fourth Proportional to 835,628.72, 1,152,053.96 and 664,119.28

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Solution

The fourth proportional to 835,628.72, 1,152,053.96 and 664,119.28 is: 915,599.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,628.72 : 1,152,053.96 = 664,119.28 : x
  2. Step 2: Convert to fraction form
    835,628.72/1,152,053.96 = 664,119.28/x
  3. Step 3: Cross multiply
    835,628.72x = 1,152,053.96 × 664,119.28
  4. Step 4: Simplify right side
    835,628.72x = 765,101,246,436.35
  5. Step 5: Solve for x
    x = 765,101,246,436.35/835,628.72
  6. Step 6: Final answer
    x = 915,599.51

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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.