Home / 771,642.96-1,064,923.38-465,793.85

Finding the Fourth Proportional to 771,642.96, 1,064,923.38 and 465,793.85

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Solution

The fourth proportional to 771,642.96, 1,064,923.38 and 465,793.85 is: 642,829.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,642.96 : 1,064,923.38 = 465,793.85 : x
  2. Step 2: Convert to fraction form
    771,642.96/1,064,923.38 = 465,793.85/x
  3. Step 3: Cross multiply
    771,642.96x = 1,064,923.38 × 465,793.85
  4. Step 4: Simplify right side
    771,642.96x = 496,034,755,800.60
  5. Step 5: Solve for x
    x = 496,034,755,800.60/771,642.96
  6. Step 6: Final answer
    x = 642,829.37

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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.