Home / 903,963.15-1,355,901.53-304,865.55

Finding the Fourth Proportional to 903,963.15, 1,355,901.53 and 304,865.55

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Solution

The fourth proportional to 903,963.15, 1,355,901.53 and 304,865.55 is: 457,283.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,963.15 : 1,355,901.53 = 304,865.55 : x
  2. Step 2: Convert to fraction form
    903,963.15/1,355,901.53 = 304,865.55/x
  3. Step 3: Cross multiply
    903,963.15x = 1,355,901.53 × 304,865.55
  4. Step 4: Simplify right side
    903,963.15x = 413,367,664,164.96
  5. Step 5: Solve for x
    x = 413,367,664,164.96/903,963.15
  6. Step 6: Final answer
    x = 457,283.76

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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.