Home / 627,463.58-865,897.40-355,583.27

Finding the Fourth Proportional to 627,463.58, 865,897.40 and 355,583.27

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Solution

The fourth proportional to 627,463.58, 865,897.40 and 355,583.27 is: 490,703.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,463.58 : 865,897.40 = 355,583.27 : x
  2. Step 2: Convert to fraction form
    627,463.58/865,897.40 = 355,583.27/x
  3. Step 3: Cross multiply
    627,463.58x = 865,897.40 × 355,583.27
  4. Step 4: Simplify right side
    627,463.58x = 307,898,622,869.10
  5. Step 5: Solve for x
    x = 307,898,622,869.10/627,463.58
  6. Step 6: Final answer
    x = 490,703.58

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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.