Home / 880,860.30-1,321,290.45-670,908.30

Finding the Fourth Proportional to 880,860.30, 1,321,290.45 and 670,908.30

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Solution

The fourth proportional to 880,860.30, 1,321,290.45 and 670,908.30 is: 1,006,362.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,860.30 : 1,321,290.45 = 670,908.30 : x
  2. Step 2: Convert to fraction form
    880,860.30/1,321,290.45 = 670,908.30/x
  3. Step 3: Cross multiply
    880,860.30x = 1,321,290.45 × 670,908.30
  4. Step 4: Simplify right side
    880,860.30x = 886,464,729,615.74
  5. Step 5: Solve for x
    x = 886,464,729,615.74/880,860.30
  6. Step 6: Final answer
    x = 1,006,362.45

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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.