Home / 748,969.70-1,122,798.45-449,569.40

Finding the Fourth Proportional to 748,969.70, 1,122,798.45 and 449,569.40

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Solution

The fourth proportional to 748,969.70, 1,122,798.45 and 449,569.40 is: 673,960.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,969.70 : 1,122,798.45 = 449,569.40 : x
  2. Step 2: Convert to fraction form
    748,969.70/1,122,798.45 = 449,569.40/x
  3. Step 3: Cross multiply
    748,969.70x = 1,122,798.45 × 449,569.40
  4. Step 4: Simplify right side
    748,969.70x = 504,775,825,487.43
  5. Step 5: Solve for x
    x = 504,775,825,487.43/748,969.70
  6. Step 6: Final answer
    x = 673,960.28

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1.5x scale

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.