Home / 874,244.34-1,206,543.60-511,646.58

Finding the Fourth Proportional to 874,244.34, 1,206,543.60 and 511,646.58

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Solution

The fourth proportional to 874,244.34, 1,206,543.60 and 511,646.58 is: 706,122.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,244.34 : 1,206,543.60 = 511,646.58 : x
  2. Step 2: Convert to fraction form
    874,244.34/1,206,543.60 = 511,646.58/x
  3. Step 3: Cross multiply
    874,244.34x = 1,206,543.60 × 511,646.58
  4. Step 4: Simplify right side
    874,244.34x = 617,323,906,560.89
  5. Step 5: Solve for x
    x = 617,323,906,560.89/874,244.34
  6. Step 6: Final answer
    x = 706,122.85

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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.