Home / 686,585.88-1,030,050.04-484,576.56

Finding the Fourth Proportional to 686,585.88, 1,030,050.04 and 484,576.56

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Solution

The fourth proportional to 686,585.88, 1,030,050.04 and 484,576.56 is: 726,985.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,585.88 : 1,030,050.04 = 484,576.56 : x
  2. Step 2: Convert to fraction form
    686,585.88/1,030,050.04 = 484,576.56/x
  3. Step 3: Cross multiply
    686,585.88x = 1,030,050.04 × 484,576.56
  4. Step 4: Simplify right side
    686,585.88x = 499,138,102,588.18
  5. Step 5: Solve for x
    x = 499,138,102,588.18/686,585.88
  6. Step 6: Final answer
    x = 726,985.68

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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.