Home / 751,280.40-1,036,761.12-411,747.84

Finding the Fourth Proportional to 751,280.40, 1,036,761.12 and 411,747.84

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Solution

The fourth proportional to 751,280.40, 1,036,761.12 and 411,747.84 is: 568,208.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,280.40 : 1,036,761.12 = 411,747.84 : x
  2. Step 2: Convert to fraction form
    751,280.40/1,036,761.12 = 411,747.84/x
  3. Step 3: Cross multiply
    751,280.40x = 1,036,761.12 × 411,747.84
  4. Step 4: Simplify right side
    751,280.40x = 426,884,151,755.98
  5. Step 5: Solve for x
    x = 426,884,151,755.98/751,280.40
  6. Step 6: Final answer
    x = 568,208.82

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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.