Home / 379,712.07-524,018.93-207,619.77

Finding the Fourth Proportional to 379,712.07, 524,018.93 and 207,619.77

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Solution

The fourth proportional to 379,712.07, 524,018.93 and 207,619.77 is: 286,524.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,712.07 : 524,018.93 = 207,619.77 : x
  2. Step 2: Convert to fraction form
    379,712.07/524,018.93 = 207,619.77/x
  3. Step 3: Cross multiply
    379,712.07x = 524,018.93 × 207,619.77
  4. Step 4: Simplify right side
    379,712.07x = 108,796,688,584.50
  5. Step 5: Solve for x
    x = 108,796,688,584.50/379,712.07
  6. Step 6: Final answer
    x = 286,524.18

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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.