Home / 824,575.45-1,235,999.92-345,077.98

Finding the Fourth Proportional to 824,575.45, 1,235,999.92 and 345,077.98

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Solution

The fourth proportional to 824,575.45, 1,235,999.92 and 345,077.98 is: 517,255.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,575.45 : 1,235,999.92 = 345,077.98 : x
  2. Step 2: Convert to fraction form
    824,575.45/1,235,999.92 = 345,077.98/x
  3. Step 3: Cross multiply
    824,575.45x = 1,235,999.92 × 345,077.98
  4. Step 4: Simplify right side
    824,575.45x = 426,516,347,768.37
  5. Step 5: Solve for x
    x = 426,516,347,768.37/824,575.45
  6. Step 6: Final answer
    x = 517,255.70

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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.