Home / 457,723.58-686,699.52-323,050.71

Finding the Fourth Proportional to 457,723.58, 686,699.52 and 323,050.71

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Solution

The fourth proportional to 457,723.58, 686,699.52 and 323,050.71 is: 484,656.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,723.58 : 686,699.52 = 323,050.71 : x
  2. Step 2: Convert to fraction form
    457,723.58/686,699.52 = 323,050.71/x
  3. Step 3: Cross multiply
    457,723.58x = 686,699.52 × 323,050.71
  4. Step 4: Simplify right side
    457,723.58x = 221,838,764,879.48
  5. Step 5: Solve for x
    x = 221,838,764,879.48/457,723.58
  6. Step 6: Final answer
    x = 484,656.62

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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.