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Finding the Fourth Proportional to 554,054.68, 764,595.45 and 299,405.87

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Solution

The fourth proportional to 554,054.68, 764,595.45 and 299,405.87 is: 413,180.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,054.68 : 764,595.45 = 299,405.87 : x
  2. Step 2: Convert to fraction form
    554,054.68/764,595.45 = 299,405.87/x
  3. Step 3: Cross multiply
    554,054.68x = 764,595.45 × 299,405.87
  4. Step 4: Simplify right side
    554,054.68x = 228,924,364,949.55
  5. Step 5: Solve for x
    x = 228,924,364,949.55/554,054.68
  6. Step 6: Final answer
    x = 413,180.09

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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.