Home / 934,665.12-1,289,835.63-504,943.92

Finding the Fourth Proportional to 934,665.12, 1,289,835.63 and 504,943.92

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Solution

The fourth proportional to 934,665.12, 1,289,835.63 and 504,943.92 is: 696,821.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,665.12 : 1,289,835.63 = 504,943.92 : x
  2. Step 2: Convert to fraction form
    934,665.12/1,289,835.63 = 504,943.92/x
  3. Step 3: Cross multiply
    934,665.12x = 1,289,835.63 × 504,943.92
  4. Step 4: Simplify right side
    934,665.12x = 651,294,659,167.87
  5. Step 5: Solve for x
    x = 651,294,659,167.87/934,665.12
  6. Step 6: Final answer
    x = 696,821.40

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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.