Home / 781,813.26-1,172,941.92-403,011.72

Finding the Fourth Proportional to 781,813.26, 1,172,941.92 and 403,011.72

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Solution

The fourth proportional to 781,813.26, 1,172,941.92 and 403,011.72 is: 604,632.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,813.26 : 1,172,941.92 = 403,011.72 : x
  2. Step 2: Convert to fraction form
    781,813.26/1,172,941.92 = 403,011.72/x
  3. Step 3: Cross multiply
    781,813.26x = 1,172,941.92 × 403,011.72
  4. Step 4: Simplify right side
    781,813.26x = 472,709,340,639.30
  5. Step 5: Solve for x
    x = 472,709,340,639.30/781,813.26
  6. Step 6: Final answer
    x = 604,632.03

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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.