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Finding the Fourth Proportional to 586,580.92, 809,481.67 and 318,308.92

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Solution

The fourth proportional to 586,580.92, 809,481.67 and 318,308.92 is: 439,266.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,580.92 : 809,481.67 = 318,308.92 : x
  2. Step 2: Convert to fraction form
    586,580.92/809,481.67 = 318,308.92/x
  3. Step 3: Cross multiply
    586,580.92x = 809,481.67 × 318,308.92
  4. Step 4: Simplify right side
    586,580.92x = 257,665,233,318.02
  5. Step 5: Solve for x
    x = 257,665,233,318.02/586,580.92
  6. Step 6: Final answer
    x = 439,266.31

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1.5x scale

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.