Home / 688,377.51-1,032,410.34-261,761.25

Finding the Fourth Proportional to 688,377.51, 1,032,410.34 and 261,761.25

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Solution

The fourth proportional to 688,377.51, 1,032,410.34 and 261,761.25 is: 392,582.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,377.51 : 1,032,410.34 = 261,761.25 : x
  2. Step 2: Convert to fraction form
    688,377.51/1,032,410.34 = 261,761.25/x
  3. Step 3: Cross multiply
    688,377.51x = 1,032,410.34 × 261,761.25
  4. Step 4: Simplify right side
    688,377.51x = 270,245,021,111.33
  5. Step 5: Solve for x
    x = 270,245,021,111.33/688,377.51
  6. Step 6: Final answer
    x = 392,582.58

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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.