Home / 856,777.83-1,283,123.86-496,186.80

Finding the Fourth Proportional to 856,777.83, 1,283,123.86 and 496,186.80

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Solution

The fourth proportional to 856,777.83, 1,283,123.86 and 496,186.80 is: 743,097.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,777.83 : 1,283,123.86 = 496,186.80 : x
  2. Step 2: Convert to fraction form
    856,777.83/1,283,123.86 = 496,186.80/x
  3. Step 3: Cross multiply
    856,777.83x = 1,283,123.86 × 496,186.80
  4. Step 4: Simplify right side
    856,777.83x = 636,669,122,097.05
  5. Step 5: Solve for x
    x = 636,669,122,097.05/856,777.83
  6. Step 6: Final answer
    x = 743,097.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.