Home / 862,934.31-1,190,850.66-480,952.89

Finding the Fourth Proportional to 862,934.31, 1,190,850.66 and 480,952.89

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Solution

The fourth proportional to 862,934.31, 1,190,850.66 and 480,952.89 is: 663,715.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,934.31 : 1,190,850.66 = 480,952.89 : x
  2. Step 2: Convert to fraction form
    862,934.31/1,190,850.66 = 480,952.89/x
  3. Step 3: Cross multiply
    862,934.31x = 1,190,850.66 × 480,952.89
  4. Step 4: Simplify right side
    862,934.31x = 572,743,066,485.41
  5. Step 5: Solve for x
    x = 572,743,066,485.41/862,934.31
  6. Step 6: Final answer
    x = 663,715.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.