Home / 752,851.80-1,038,478.95-446,726.43

Finding the Fourth Proportional to 752,851.80, 1,038,478.95 and 446,726.43

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Solution

The fourth proportional to 752,851.80, 1,038,478.95 and 446,726.43 is: 616,211.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,851.80 : 1,038,478.95 = 446,726.43 : x
  2. Step 2: Convert to fraction form
    752,851.80/1,038,478.95 = 446,726.43/x
  3. Step 3: Cross multiply
    752,851.80x = 1,038,478.95 × 446,726.43
  4. Step 4: Simplify right side
    752,851.80x = 463,915,993,963.65
  5. Step 5: Solve for x
    x = 463,915,993,963.65/752,851.80
  6. Step 6: Final answer
    x = 616,211.58

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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.