Home / 750,857.79-1,036,175.49-406,685.16

Finding the Fourth Proportional to 750,857.79, 1,036,175.49 and 406,685.16

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Solution

The fourth proportional to 750,857.79, 1,036,175.49 and 406,685.16 is: 561,221.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,857.79 : 1,036,175.49 = 406,685.16 : x
  2. Step 2: Convert to fraction form
    750,857.79/1,036,175.49 = 406,685.16/x
  3. Step 3: Cross multiply
    750,857.79x = 1,036,175.49 × 406,685.16
  4. Step 4: Simplify right side
    750,857.79x = 421,397,194,938.73
  5. Step 5: Solve for x
    x = 421,397,194,938.73/750,857.79
  6. Step 6: Final answer
    x = 561,221.05

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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.