Home / 576,904.47-796,136.58-318,787.35

Finding the Fourth Proportional to 576,904.47, 796,136.58 and 318,787.35

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Solution

The fourth proportional to 576,904.47, 796,136.58 and 318,787.35 is: 439,931.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,904.47 : 796,136.58 = 318,787.35 : x
  2. Step 2: Convert to fraction form
    576,904.47/796,136.58 = 318,787.35/x
  3. Step 3: Cross multiply
    576,904.47x = 796,136.58 × 318,787.35
  4. Step 4: Simplify right side
    576,904.47x = 253,798,270,576.26
  5. Step 5: Solve for x
    x = 253,798,270,576.26/576,904.47
  6. Step 6: Final answer
    x = 439,931.19

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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.