Home / 750,859.80-1,036,178.26-406,687.16

Finding the Fourth Proportional to 750,859.80, 1,036,178.26 and 406,687.16

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Solution

The fourth proportional to 750,859.80, 1,036,178.26 and 406,687.16 is: 561,223.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,859.80 : 1,036,178.26 = 406,687.16 : x
  2. Step 2: Convert to fraction form
    750,859.80/1,036,178.26 = 406,687.16/x
  3. Step 3: Cross multiply
    750,859.80x = 1,036,178.26 × 406,687.16
  4. Step 4: Simplify right side
    750,859.80x = 421,400,393,813.14
  5. Step 5: Solve for x
    x = 421,400,393,813.14/750,859.80
  6. Step 6: Final answer
    x = 561,223.80

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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.