Home / 561,560.06-773,000.07-489,815.12

Finding the Fourth Proportional to 561,560.06, 773,000.07 and 489,815.12

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Solution

The fourth proportional to 561,560.06, 773,000.07 and 489,815.12 is: 674,241.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,560.06 : 773,000.07 = 489,815.12 : x
  2. Step 2: Convert to fraction form
    561,560.06/773,000.07 = 489,815.12/x
  3. Step 3: Cross multiply
    561,560.06x = 773,000.07 × 489,815.12
  4. Step 4: Simplify right side
    561,560.06x = 378,627,122,047.06
  5. Step 5: Solve for x
    x = 378,627,122,047.06/561,560.06
  6. Step 6: Final answer
    x = 674,241.54

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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.