Home / 903,969.40-1,355,910.90-304,871.80

Finding the Fourth Proportional to 903,969.40, 1,355,910.90 and 304,871.80

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Solution

The fourth proportional to 903,969.40, 1,355,910.90 and 304,871.80 is: 457,293.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,969.40 : 1,355,910.90 = 304,871.80 : x
  2. Step 2: Convert to fraction form
    903,969.40/1,355,910.90 = 304,871.80/x
  3. Step 3: Cross multiply
    903,969.40x = 1,355,910.90 × 304,871.80
  4. Step 4: Simplify right side
    903,969.40x = 413,378,996,722.62
  5. Step 5: Solve for x
    x = 413,378,996,722.62/903,969.40
  6. Step 6: Final answer
    x = 457,293.13

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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.