Home / 553,835.96-764,292.66-299,186.36

Finding the Fourth Proportional to 553,835.96, 764,292.66 and 299,186.36

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Solution

The fourth proportional to 553,835.96, 764,292.66 and 299,186.36 is: 412,876.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,835.96 : 764,292.66 = 299,186.36 : x
  2. Step 2: Convert to fraction form
    553,835.96/764,292.66 = 299,186.36/x
  3. Step 3: Cross multiply
    553,835.96x = 764,292.66 × 299,186.36
  4. Step 4: Simplify right side
    553,835.96x = 228,665,938,920.12
  5. Step 5: Solve for x
    x = 228,665,938,920.12/553,835.96
  6. Step 6: Final answer
    x = 412,876.66

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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.