Home / 750,851.79-1,036,167.23-406,679.16

Finding the Fourth Proportional to 750,851.79, 1,036,167.23 and 406,679.16

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Solution

The fourth proportional to 750,851.79, 1,036,167.23 and 406,679.16 is: 561,212.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,851.79 : 1,036,167.23 = 406,679.16 : x
  2. Step 2: Convert to fraction form
    750,851.79/1,036,167.23 = 406,679.16/x
  3. Step 3: Cross multiply
    750,851.79x = 1,036,167.23 × 406,679.16
  4. Step 4: Simplify right side
    750,851.79x = 421,387,616,682.53
  5. Step 5: Solve for x
    x = 421,387,616,682.53/750,851.79
  6. Step 6: Final answer
    x = 561,212.78

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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.