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Finding the Fourth Proportional to 520,884.38, 785,230.69 and 486,164.27

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Solution

The fourth proportional to 520,884.38, 785,230.69 and 486,164.27 is: 732,890.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,884.38 : 785,230.69 = 486,164.27 : x
  2. Step 2: Convert to fraction form
    520,884.38/785,230.69 = 486,164.27/x
  3. Step 3: Cross multiply
    520,884.38x = 785,230.69 × 486,164.27
  4. Step 4: Simplify right side
    520,884.38x = 381,751,105,185.45
  5. Step 5: Solve for x
    x = 381,751,105,185.45/520,884.38
  6. Step 6: Final answer
    x = 732,890.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.