Home / 889,346.98-1,333,745.25-320,654.89

Finding the Fourth Proportional to 889,346.98, 1,333,745.25 and 320,654.89

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Solution

The fourth proportional to 889,346.98, 1,333,745.25 and 320,654.89 is: 480,883.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,346.98 : 1,333,745.25 = 320,654.89 : x
  2. Step 2: Convert to fraction form
    889,346.98/1,333,745.25 = 320,654.89/x
  3. Step 3: Cross multiply
    889,346.98x = 1,333,745.25 × 320,654.89
  4. Step 4: Simplify right side
    889,346.98x = 427,671,936,426.77
  5. Step 5: Solve for x
    x = 427,671,936,426.77/889,346.98
  6. Step 6: Final answer
    x = 480,883.10

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1.5x scale

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.