Home / 513,725.48-709,083.64-298,907.04

Finding the Fourth Proportional to 513,725.48, 709,083.64 and 298,907.04

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Solution

The fourth proportional to 513,725.48, 709,083.64 and 298,907.04 is: 412,574.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,725.48 : 709,083.64 = 298,907.04 : x
  2. Step 2: Convert to fraction form
    513,725.48/709,083.64 = 298,907.04/x
  3. Step 3: Cross multiply
    513,725.48x = 709,083.64 × 298,907.04
  4. Step 4: Simplify right side
    513,725.48x = 211,950,091,944.83
  5. Step 5: Solve for x
    x = 211,950,091,944.83/513,725.48
  6. Step 6: Final answer
    x = 412,574.61

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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.