Home / 850,527.11-1,275,347.70-401,127.31

Finding the Fourth Proportional to 850,527.11, 1,275,347.70 and 401,127.31

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Solution

The fourth proportional to 850,527.11, 1,275,347.70 and 401,127.31 is: 601,482.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,527.11 : 1,275,347.70 = 401,127.31 : x
  2. Step 2: Convert to fraction form
    850,527.11/1,275,347.70 = 401,127.31/x
  3. Step 3: Cross multiply
    850,527.11x = 1,275,347.70 × 401,127.31
  4. Step 4: Simplify right side
    850,527.11x = 511,576,795,704.55
  5. Step 5: Solve for x
    x = 511,576,795,704.55/850,527.11
  6. Step 6: Final answer
    x = 601,482.06

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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.