Home / 553,623.53-764,000.46-298,974.69

Finding the Fourth Proportional to 553,623.53, 764,000.46 and 298,974.69

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Solution

The fourth proportional to 553,623.53, 764,000.46 and 298,974.69 is: 412,585.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,623.53 : 764,000.46 = 298,974.69 : x
  2. Step 2: Convert to fraction form
    553,623.53/764,000.46 = 298,974.69/x
  3. Step 3: Cross multiply
    553,623.53x = 764,000.46 × 298,974.69
  4. Step 4: Simplify right side
    553,623.53x = 228,416,800,688.36
  5. Step 5: Solve for x
    x = 228,416,800,688.36/553,623.53
  6. Step 6: Final answer
    x = 412,585.07

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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.