Home / 750,776.08-1,036,062.84-406,606.36

Finding the Fourth Proportional to 750,776.08, 1,036,062.84 and 406,606.36

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Solution

The fourth proportional to 750,776.08, 1,036,062.84 and 406,606.36 is: 561,112.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,776.08 : 1,036,062.84 = 406,606.36 : x
  2. Step 2: Convert to fraction form
    750,776.08/1,036,062.84 = 406,606.36/x
  3. Step 3: Cross multiply
    750,776.08x = 1,036,062.84 × 406,606.36
  4. Step 4: Simplify right side
    750,776.08x = 421,269,740,103.66
  5. Step 5: Solve for x
    x = 421,269,740,103.66/750,776.08
  6. Step 6: Final answer
    x = 561,112.36

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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.