Home / 640,167.03-960,508.73-284,938.09

Finding the Fourth Proportional to 640,167.03, 960,508.73 and 284,938.09

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Solution

The fourth proportional to 640,167.03, 960,508.73 and 284,938.09 is: 427,522.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,167.03 : 960,508.73 = 284,938.09 : x
  2. Step 2: Convert to fraction form
    640,167.03/960,508.73 = 284,938.09/x
  3. Step 3: Cross multiply
    640,167.03x = 960,508.73 × 284,938.09
  4. Step 4: Simplify right side
    640,167.03x = 273,685,521,265.60
  5. Step 5: Solve for x
    x = 273,685,521,265.60/640,167.03
  6. Step 6: Final answer
    x = 427,522.05

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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.