Home / 576,931.05-796,160.49-318,825.40

Finding the Fourth Proportional to 576,931.05, 796,160.49 and 318,825.40

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Solution

The fourth proportional to 576,931.05, 796,160.49 and 318,825.40 is: 439,976.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,931.05 : 796,160.49 = 318,825.40 : x
  2. Step 2: Convert to fraction form
    576,931.05/796,160.49 = 318,825.40/x
  3. Step 3: Cross multiply
    576,931.05x = 796,160.49 × 318,825.40
  4. Step 4: Simplify right side
    576,931.05x = 253,836,186,688.45
  5. Step 5: Solve for x
    x = 253,836,186,688.45/576,931.05
  6. Step 6: Final answer
    x = 439,976.64

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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.