Home / 680,860.20-1,021,290.30-175,420.20

Finding the Fourth Proportional to 680,860.20, 1,021,290.30 and 175,420.20

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Solution

The fourth proportional to 680,860.20, 1,021,290.30 and 175,420.20 is: 263,130.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,860.20 : 1,021,290.30 = 175,420.20 : x
  2. Step 2: Convert to fraction form
    680,860.20/1,021,290.30 = 175,420.20/x
  3. Step 3: Cross multiply
    680,860.20x = 1,021,290.30 × 175,420.20
  4. Step 4: Simplify right side
    680,860.20x = 179,154,948,684.06
  5. Step 5: Solve for x
    x = 179,154,948,684.06/680,860.20
  6. Step 6: Final answer
    x = 263,130.30

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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.