Home / 686,914.68-1,030,964.94-476,700.24

Finding the Fourth Proportional to 686,914.68, 1,030,964.94 and 476,700.24

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Solution

The fourth proportional to 686,914.68, 1,030,964.94 and 476,700.24 is: 715,461.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,914.68 : 1,030,964.94 = 476,700.24 : x
  2. Step 2: Convert to fraction form
    686,914.68/1,030,964.94 = 476,700.24/x
  3. Step 3: Cross multiply
    686,914.68x = 1,030,964.94 × 476,700.24
  4. Step 4: Simplify right side
    686,914.68x = 491,461,234,329.59
  5. Step 5: Solve for x
    x = 491,461,234,329.59/686,914.68
  6. Step 6: Final answer
    x = 715,461.83

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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.