Home / 755,219.06-1,042,206.65-411,054.18

Finding the Fourth Proportional to 755,219.06, 1,042,206.65 and 411,054.18

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Solution

The fourth proportional to 755,219.06, 1,042,206.65 and 411,054.18 is: 567,257.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,219.06 : 1,042,206.65 = 411,054.18 : x
  2. Step 2: Convert to fraction form
    755,219.06/1,042,206.65 = 411,054.18/x
  3. Step 3: Cross multiply
    755,219.06x = 1,042,206.65 × 411,054.18
  4. Step 4: Simplify right side
    755,219.06x = 428,403,397,851.03
  5. Step 5: Solve for x
    x = 428,403,397,851.03/755,219.06
  6. Step 6: Final answer
    x = 567,257.14

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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.