Home / 751,049.85-1,036,447.48-406,894.47

Finding the Fourth Proportional to 751,049.85, 1,036,447.48 and 406,894.47

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Solution

The fourth proportional to 751,049.85, 1,036,447.48 and 406,894.47 is: 561,513.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,049.85 : 1,036,447.48 = 406,894.47 : x
  2. Step 2: Convert to fraction form
    751,049.85/1,036,447.48 = 406,894.47/x
  3. Step 3: Cross multiply
    751,049.85x = 1,036,447.48 × 406,894.47
  4. Step 4: Simplify right side
    751,049.85x = 421,724,748,057.44
  5. Step 5: Solve for x
    x = 421,724,748,057.44/751,049.85
  6. Step 6: Final answer
    x = 561,513.66

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Double scale
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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.