Home / 750,945.12-1,036,309.28-406,781.07

Finding the Fourth Proportional to 750,945.12, 1,036,309.28 and 406,781.07

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Solution

The fourth proportional to 750,945.12, 1,036,309.28 and 406,781.07 is: 561,360.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,945.12 : 1,036,309.28 = 406,781.07 : x
  2. Step 2: Convert to fraction form
    750,945.12/1,036,309.28 = 406,781.07/x
  3. Step 3: Cross multiply
    750,945.12x = 1,036,309.28 × 406,781.07
  4. Step 4: Simplify right side
    750,945.12x = 421,550,997,769.33
  5. Step 5: Solve for x
    x = 421,550,997,769.33/750,945.12
  6. Step 6: Final answer
    x = 561,360.59

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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.