Home / 553,786.04-764,225.07-299,137.34

Finding the Fourth Proportional to 553,786.04, 764,225.07 and 299,137.34

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Solution

The fourth proportional to 553,786.04, 764,225.07 and 299,137.34 is: 412,809.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,786.04 : 764,225.07 = 299,137.34 : x
  2. Step 2: Convert to fraction form
    553,786.04/764,225.07 = 299,137.34/x
  3. Step 3: Cross multiply
    553,786.04x = 764,225.07 × 299,137.34
  4. Step 4: Simplify right side
    553,786.04x = 228,608,254,601.11
  5. Step 5: Solve for x
    x = 228,608,254,601.11/553,786.04
  6. Step 6: Final answer
    x = 412,809.71

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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.