Home / 750,921.22-1,036,272.34-406,760.90

Finding the Fourth Proportional to 750,921.22, 1,036,272.34 and 406,760.90

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Solution

The fourth proportional to 750,921.22, 1,036,272.34 and 406,760.90 is: 561,330.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,921.22 : 1,036,272.34 = 406,760.90 : x
  2. Step 2: Convert to fraction form
    750,921.22/1,036,272.34 = 406,760.90/x
  3. Step 3: Cross multiply
    750,921.22x = 1,036,272.34 × 406,760.90
  4. Step 4: Simplify right side
    750,921.22x = 421,515,069,663.51
  5. Step 5: Solve for x
    x = 421,515,069,663.51/750,921.22
  6. Step 6: Final answer
    x = 561,330.61

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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.