Home / 511,464.94-766,975.08-146,646.21

Finding the Fourth Proportional to 511,464.94, 766,975.08 and 146,646.21

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Solution

The fourth proportional to 511,464.94, 766,975.08 and 146,646.21 is: 219,905.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,464.94 : 766,975.08 = 146,646.21 : x
  2. Step 2: Convert to fraction form
    511,464.94/766,975.08 = 146,646.21/x
  3. Step 3: Cross multiply
    511,464.94x = 766,975.08 × 146,646.21
  4. Step 4: Simplify right side
    511,464.94x = 112,473,986,320.21
  5. Step 5: Solve for x
    x = 112,473,986,320.21/511,464.94
  6. Step 6: Final answer
    x = 219,905.56

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1.5x scale

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.