Home / 879,053.36-1,318,569.96-214,205.36

Finding the Fourth Proportional to 879,053.36, 1,318,569.96 and 214,205.36

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Solution

The fourth proportional to 879,053.36, 1,318,569.96 and 214,205.36 is: 321,305.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,053.36 : 1,318,569.96 = 214,205.36 : x
  2. Step 2: Convert to fraction form
    879,053.36/1,318,569.96 = 214,205.36/x
  3. Step 3: Cross multiply
    879,053.36x = 1,318,569.96 × 214,205.36
  4. Step 4: Simplify right side
    879,053.36x = 282,444,752,966.99
  5. Step 5: Solve for x
    x = 282,444,752,966.99/879,053.36
  6. Step 6: Final answer
    x = 321,305.58

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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.