Home / 702,932.10-1,051,940.55-643,949.70

Finding the Fourth Proportional to 702,932.10, 1,051,940.55 and 643,949.70

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Solution

The fourth proportional to 702,932.10, 1,051,940.55 and 643,949.70 is: 963,673.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,932.10 : 1,051,940.55 = 643,949.70 : x
  2. Step 2: Convert to fraction form
    702,932.10/1,051,940.55 = 643,949.70/x
  3. Step 3: Cross multiply
    702,932.10x = 1,051,940.55 × 643,949.70
  4. Step 4: Simplify right side
    702,932.10x = 677,396,801,590.34
  5. Step 5: Solve for x
    x = 677,396,801,590.34/702,932.10
  6. Step 6: Final answer
    x = 963,673.17

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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.