Home / 771,778.41-1,065,092.18-465,849.91

Finding the Fourth Proportional to 771,778.41, 1,065,092.18 and 465,849.91

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Solution

The fourth proportional to 771,778.41, 1,065,092.18 and 465,849.91 is: 642,895.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,778.41 : 1,065,092.18 = 465,849.91 : x
  2. Step 2: Convert to fraction form
    771,778.41/1,065,092.18 = 465,849.91/x
  3. Step 3: Cross multiply
    771,778.41x = 1,065,092.18 × 465,849.91
  4. Step 4: Simplify right side
    771,778.41x = 496,173,096,194.70
  5. Step 5: Solve for x
    x = 496,173,096,194.70/771,778.41
  6. Step 6: Final answer
    x = 642,895.80

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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.