Home / 688,126.58-1,032,189.87-214,852.49

Finding the Fourth Proportional to 688,126.58, 1,032,189.87 and 214,852.49

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Solution

The fourth proportional to 688,126.58, 1,032,189.87 and 214,852.49 is: 322,278.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,126.58 : 1,032,189.87 = 214,852.49 : x
  2. Step 2: Convert to fraction form
    688,126.58/1,032,189.87 = 214,852.49/x
  3. Step 3: Cross multiply
    688,126.58x = 1,032,189.87 × 214,852.49
  4. Step 4: Simplify right side
    688,126.58x = 221,768,562,029.19
  5. Step 5: Solve for x
    x = 221,768,562,029.19/688,126.58
  6. Step 6: Final answer
    x = 322,278.73

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Similar ratio
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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.