Home / 678,292.58-936,041.47-372,361.35

Finding the Fourth Proportional to 678,292.58, 936,041.47 and 372,361.35

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Solution

The fourth proportional to 678,292.58, 936,041.47 and 372,361.35 is: 513,857.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,292.58 : 936,041.47 = 372,361.35 : x
  2. Step 2: Convert to fraction form
    678,292.58/936,041.47 = 372,361.35/x
  3. Step 3: Cross multiply
    678,292.58x = 936,041.47 × 372,361.35
  4. Step 4: Simplify right side
    678,292.58x = 348,545,668,004.44
  5. Step 5: Solve for x
    x = 348,545,668,004.44/678,292.58
  6. Step 6: Final answer
    x = 513,857.41

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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.