Home / 553,621.03-763,997.01-298,972.19

Finding the Fourth Proportional to 553,621.03, 763,997.01 and 298,972.19

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Solution

The fourth proportional to 553,621.03, 763,997.01 and 298,972.19 is: 412,581.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,621.03 : 763,997.01 = 298,972.19 : x
  2. Step 2: Convert to fraction form
    553,621.03/763,997.01 = 298,972.19/x
  3. Step 3: Cross multiply
    553,621.03x = 763,997.01 × 298,972.19
  4. Step 4: Simplify right side
    553,621.03x = 228,413,859,233.15
  5. Step 5: Solve for x
    x = 228,413,859,233.15/553,621.03
  6. Step 6: Final answer
    x = 412,581.62

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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.