Home / 692,915.11-1,039,701.63-480,010.66

Finding the Fourth Proportional to 692,915.11, 1,039,701.63 and 480,010.66

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Solution

The fourth proportional to 692,915.11, 1,039,701.63 and 480,010.66 is: 720,243.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,915.11 : 1,039,701.63 = 480,010.66 : x
  2. Step 2: Convert to fraction form
    692,915.11/1,039,701.63 = 480,010.66/x
  3. Step 3: Cross multiply
    692,915.11x = 1,039,701.63 × 480,010.66
  4. Step 4: Simplify right side
    692,915.11x = 499,067,865,619.38
  5. Step 5: Solve for x
    x = 499,067,865,619.38/692,915.11
  6. Step 6: Final answer
    x = 720,243.88

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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.