Home / 934,689.45-1,289,872.08-504,969.42

Finding the Fourth Proportional to 934,689.45, 1,289,872.08 and 504,969.42

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Solution

The fourth proportional to 934,689.45, 1,289,872.08 and 504,969.42 is: 696,858.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,689.45 : 1,289,872.08 = 504,969.42 : x
  2. Step 2: Convert to fraction form
    934,689.45/1,289,872.08 = 504,969.42/x
  3. Step 3: Cross multiply
    934,689.45x = 1,289,872.08 × 504,969.42
  4. Step 4: Simplify right side
    934,689.45x = 651,345,956,111.79
  5. Step 5: Solve for x
    x = 651,345,956,111.79/934,689.45
  6. Step 6: Final answer
    x = 696,858.14

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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.