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Finding the Fourth Proportional to 576,794.17, 865,188.51 and 320,506.03

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Solution

The fourth proportional to 576,794.17, 865,188.51 and 320,506.03 is: 480,757.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,794.17 : 865,188.51 = 320,506.03 : x
  2. Step 2: Convert to fraction form
    576,794.17/865,188.51 = 320,506.03/x
  3. Step 3: Cross multiply
    576,794.17x = 865,188.51 × 320,506.03
  4. Step 4: Simplify right side
    576,794.17x = 277,298,134,541.72
  5. Step 5: Solve for x
    x = 277,298,134,541.72/576,794.17
  6. Step 6: Final answer
    x = 480,757.52

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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.