Home / 670,335.82-1,004,157.44-310,001.60

Finding the Fourth Proportional to 670,335.82, 1,004,157.44 and 310,001.60

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Solution

The fourth proportional to 670,335.82, 1,004,157.44 and 310,001.60 is: 464,379.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,335.82 : 1,004,157.44 = 310,001.60 : x
  2. Step 2: Convert to fraction form
    670,335.82/1,004,157.44 = 310,001.60/x
  3. Step 3: Cross multiply
    670,335.82x = 1,004,157.44 × 310,001.60
  4. Step 4: Simplify right side
    670,335.82x = 311,290,413,051.90
  5. Step 5: Solve for x
    x = 311,290,413,051.90/670,335.82
  6. Step 6: Final answer
    x = 464,379.80

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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.