Home / 618,090.24-852,935.04-379,580.16

Finding the Fourth Proportional to 618,090.24, 852,935.04 and 379,580.16

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Solution

The fourth proportional to 618,090.24, 852,935.04 and 379,580.16 is: 523,802.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,090.24 : 852,935.04 = 379,580.16 : x
  2. Step 2: Convert to fraction form
    618,090.24/852,935.04 = 379,580.16/x
  3. Step 3: Cross multiply
    618,090.24x = 852,935.04 × 379,580.16
  4. Step 4: Simplify right side
    618,090.24x = 323,757,218,952.81
  5. Step 5: Solve for x
    x = 323,757,218,952.81/618,090.24
  6. Step 6: Final answer
    x = 523,802.51

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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.