Home / 475,837.78-713,943.48-209,411.42

Finding the Fourth Proportional to 475,837.78, 713,943.48 and 209,411.42

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Solution

The fourth proportional to 475,837.78, 713,943.48 and 209,411.42 is: 314,199.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,837.78 : 713,943.48 = 209,411.42 : x
  2. Step 2: Convert to fraction form
    475,837.78/713,943.48 = 209,411.42/x
  3. Step 3: Cross multiply
    475,837.78x = 713,943.48 × 209,411.42
  4. Step 4: Simplify right side
    475,837.78x = 149,507,917,946.54
  5. Step 5: Solve for x
    x = 149,507,917,946.54/475,837.78
  6. Step 6: Final answer
    x = 314,199.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.