Home / 667,927.80-1,001,891.70-401,551.20

Finding the Fourth Proportional to 667,927.80, 1,001,891.70 and 401,551.20

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Solution

The fourth proportional to 667,927.80, 1,001,891.70 and 401,551.20 is: 602,326.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,927.80 : 1,001,891.70 = 401,551.20 : x
  2. Step 2: Convert to fraction form
    667,927.80/1,001,891.70 = 401,551.20/x
  3. Step 3: Cross multiply
    667,927.80x = 1,001,891.70 × 401,551.20
  4. Step 4: Simplify right side
    667,927.80x = 402,310,814,405.04
  5. Step 5: Solve for x
    x = 402,310,814,405.04/667,927.80
  6. Step 6: Final answer
    x = 602,326.80

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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.