Home / 750,911.22-1,036,258.54-406,750.90

Finding the Fourth Proportional to 750,911.22, 1,036,258.54 and 406,750.90

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Solution

The fourth proportional to 750,911.22, 1,036,258.54 and 406,750.90 is: 561,316.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,911.22 : 1,036,258.54 = 406,750.90 : x
  2. Step 2: Convert to fraction form
    750,911.22/1,036,258.54 = 406,750.90/x
  3. Step 3: Cross multiply
    750,911.22x = 1,036,258.54 × 406,750.90
  4. Step 4: Simplify right side
    750,911.22x = 421,499,093,777.69
  5. Step 5: Solve for x
    x = 421,499,093,777.69/750,911.22
  6. Step 6: Final answer
    x = 561,316.81

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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.