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Finding the Fourth Proportional to 586,582.92, 809,484.42 and 318,310.92

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Solution

The fourth proportional to 586,582.92, 809,484.42 and 318,310.92 is: 439,269.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,582.92 : 809,484.42 = 318,310.92 : x
  2. Step 2: Convert to fraction form
    586,582.92/809,484.42 = 318,310.92/x
  3. Step 3: Cross multiply
    586,582.92x = 809,484.42 × 318,310.92
  4. Step 4: Simplify right side
    586,582.92x = 257,667,730,455.87
  5. Step 5: Solve for x
    x = 257,667,730,455.87/586,582.92
  6. Step 6: Final answer
    x = 439,269.06

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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.