Home / 447,008.40-669,637.80-268,986.60

Finding the Fourth Proportional to 447,008.40, 669,637.80 and 268,986.60

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Solution

The fourth proportional to 447,008.40, 669,637.80 and 268,986.60 is: 402,953.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,008.40 : 669,637.80 = 268,986.60 : x
  2. Step 2: Convert to fraction form
    447,008.40/669,637.80 = 268,986.60/x
  3. Step 3: Cross multiply
    447,008.40x = 669,637.80 × 268,986.60
  4. Step 4: Simplify right side
    447,008.40x = 180,123,595,053.48
  5. Step 5: Solve for x
    x = 180,123,595,053.48/447,008.40
  6. Step 6: Final answer
    x = 402,953.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.