Home / 629,485.07-868,688.06-343,004.49

Finding the Fourth Proportional to 629,485.07, 868,688.06 and 343,004.49

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Solution

The fourth proportional to 629,485.07, 868,688.06 and 343,004.49 is: 473,345.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,485.07 : 868,688.06 = 343,004.49 : x
  2. Step 2: Convert to fraction form
    629,485.07/868,688.06 = 343,004.49/x
  3. Step 3: Cross multiply
    629,485.07x = 868,688.06 × 343,004.49
  4. Step 4: Simplify right side
    629,485.07x = 297,963,903,274.37
  5. Step 5: Solve for x
    x = 297,963,903,274.37/629,485.07
  6. Step 6: Final answer
    x = 473,345.47

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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.