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Finding the Fourth Proportional to 554,303.76, 764,941.14 and 299,655

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Solution

The fourth proportional to 554,303.76, 764,941.14 and 299,655 is: 413,524.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,303.76 : 764,941.14 = 299,655 : x
  2. Step 2: Convert to fraction form
    554,303.76/764,941.14 = 299,655/x
  3. Step 3: Cross multiply
    554,303.76x = 764,941.14 × 299,655
  4. Step 4: Simplify right side
    554,303.76x = 229,218,437,306.70
  5. Step 5: Solve for x
    x = 229,218,437,306.70/554,303.76
  6. Step 6: Final answer
    x = 413,524.95

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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.