Home / 553,623.52-764,000.43-298,974.70

Finding the Fourth Proportional to 553,623.52, 764,000.43 and 298,974.70

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Solution

The fourth proportional to 553,623.52, 764,000.43 and 298,974.70 is: 412,585.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,623.52 : 764,000.43 = 298,974.70 : x
  2. Step 2: Convert to fraction form
    553,623.52/764,000.43 = 298,974.70/x
  3. Step 3: Cross multiply
    553,623.52x = 764,000.43 × 298,974.70
  4. Step 4: Simplify right side
    553,623.52x = 228,416,799,359.12
  5. Step 5: Solve for x
    x = 228,416,799,359.12/553,623.52
  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.