Home / 903,977.81-1,355,927.82-272,872.79

Finding the Fourth Proportional to 903,977.81, 1,355,927.82 and 272,872.79

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Solution

The fourth proportional to 903,977.81, 1,355,927.82 and 272,872.79 is: 409,297.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,977.81 : 1,355,927.82 = 272,872.79 : x
  2. Step 2: Convert to fraction form
    903,977.81/1,355,927.82 = 272,872.79/x
  3. Step 3: Cross multiply
    903,977.81x = 1,355,927.82 × 272,872.79
  4. Step 4: Simplify right side
    903,977.81x = 369,995,800,502.38
  5. Step 5: Solve for x
    x = 369,995,800,502.38/903,977.81
  6. Step 6: Final answer
    x = 409,297.44

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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.