Home / 752,420.88-1,038,698.03-476,916.39

Finding the Fourth Proportional to 752,420.88, 1,038,698.03 and 476,916.39

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Solution

The fourth proportional to 752,420.88, 1,038,698.03 and 476,916.39 is: 658,371.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,420.88 : 1,038,698.03 = 476,916.39 : x
  2. Step 2: Convert to fraction form
    752,420.88/1,038,698.03 = 476,916.39/x
  3. Step 3: Cross multiply
    752,420.88x = 1,038,698.03 × 476,916.39
  4. Step 4: Simplify right side
    752,420.88x = 495,372,115,960.00
  5. Step 5: Solve for x
    x = 495,372,115,960.00/752,420.88
  6. Step 6: Final answer
    x = 658,371.04

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1.5x scale

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.