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Finding the Fourth Proportional to 578,099.75, 797,777.66 and 323,500.15

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Solution

The fourth proportional to 578,099.75, 797,777.66 and 323,500.15 is: 446,430.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,099.75 : 797,777.66 = 323,500.15 : x
  2. Step 2: Convert to fraction form
    578,099.75/797,777.66 = 323,500.15/x
  3. Step 3: Cross multiply
    578,099.75x = 797,777.66 × 323,500.15
  4. Step 4: Simplify right side
    578,099.75x = 258,081,192,676.65
  5. Step 5: Solve for x
    x = 258,081,192,676.65/578,099.75
  6. Step 6: Final answer
    x = 446,430.21

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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.