Home / 874,627.80-1,206,573.90-511,829.22

Finding the Fourth Proportional to 874,627.80, 1,206,573.90 and 511,829.22

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Solution

The fourth proportional to 874,627.80, 1,206,573.90 and 511,829.22 is: 706,082.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,627.80 : 1,206,573.90 = 511,829.22 : x
  2. Step 2: Convert to fraction form
    874,627.80/1,206,573.90 = 511,829.22/x
  3. Step 3: Cross multiply
    874,627.80x = 1,206,573.90 × 511,829.22
  4. Step 4: Simplify right side
    874,627.80x = 617,559,778,109.36
  5. Step 5: Solve for x
    x = 617,559,778,109.36/874,627.80
  6. Step 6: Final answer
    x = 706,082.95

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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.