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Finding the Fourth Proportional to 539,022.90, 809,117.55 and 302,826.90

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Solution

The fourth proportional to 539,022.90, 809,117.55 and 302,826.90 is: 454,568.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,022.90 : 809,117.55 = 302,826.90 : x
  2. Step 2: Convert to fraction form
    539,022.90/809,117.55 = 302,826.90/x
  3. Step 3: Cross multiply
    539,022.90x = 809,117.55 × 302,826.90
  4. Step 4: Simplify right side
    539,022.90x = 245,022,559,402.10
  5. Step 5: Solve for x
    x = 245,022,559,402.10/539,022.90
  6. Step 6: Final answer
    x = 454,568.00

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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.