Home / 770,502.08-1,063,199.72-443,921.92

Finding the Fourth Proportional to 770,502.08, 1,063,199.72 and 443,921.92

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Solution

The fourth proportional to 770,502.08, 1,063,199.72 and 443,921.92 is: 612,558.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,502.08 : 1,063,199.72 = 443,921.92 : x
  2. Step 2: Convert to fraction form
    770,502.08/1,063,199.72 = 443,921.92/x
  3. Step 3: Cross multiply
    770,502.08x = 1,063,199.72 × 443,921.92
  4. Step 4: Simplify right side
    770,502.08x = 471,977,661,045.86
  5. Step 5: Solve for x
    x = 471,977,661,045.86/770,502.08
  6. Step 6: Final answer
    x = 612,558.58

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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.