Home / 553,623.15-763,999.94-298,974.32

Finding the Fourth Proportional to 553,623.15, 763,999.94 and 298,974.32

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Solution

The fourth proportional to 553,623.15, 763,999.94 and 298,974.32 is: 412,584.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,623.15 : 763,999.94 = 298,974.32 : x
  2. Step 2: Convert to fraction form
    553,623.15/763,999.94 = 298,974.32/x
  3. Step 3: Cross multiply
    553,623.15x = 763,999.94 × 298,974.32
  4. Step 4: Simplify right side
    553,623.15x = 228,416,362,541.54
  5. Step 5: Solve for x
    x = 228,416,362,541.54/553,623.15
  6. Step 6: Final answer
    x = 412,584.56

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1.5x scale

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.