Home / 553,610.00-763,981.81-298,961.19

Finding the Fourth Proportional to 553,610.00, 763,981.81 and 298,961.19

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Solution

The fourth proportional to 553,610.00, 763,981.81 and 298,961.19 is: 412,566.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,610.00 : 763,981.81 = 298,961.19 : x
  2. Step 2: Convert to fraction form
    553,610.00/763,981.81 = 298,961.19/x
  3. Step 3: Cross multiply
    553,610.00x = 763,981.81 × 298,961.19
  4. Step 4: Simplify right side
    553,610.00x = 228,400,910,752.28
  5. Step 5: Solve for x
    x = 228,400,910,752.28/553,610.00
  6. Step 6: Final answer
    x = 412,566.44

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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.