Home / 448,579.76-619,088.08-274,252.25

Finding the Fourth Proportional to 448,579.76, 619,088.08 and 274,252.25

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Solution

The fourth proportional to 448,579.76, 619,088.08 and 274,252.25 is: 378,497.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,579.76 : 619,088.08 = 274,252.25 : x
  2. Step 2: Convert to fraction form
    448,579.76/619,088.08 = 274,252.25/x
  3. Step 3: Cross multiply
    448,579.76x = 619,088.08 × 274,252.25
  4. Step 4: Simplify right side
    448,579.76x = 169,786,299,750.27
  5. Step 5: Solve for x
    x = 169,786,299,750.27/448,579.76
  6. Step 6: Final answer
    x = 378,497.46

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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.