Home / 821,070.49-1,133,020.83-453,531.37

Finding the Fourth Proportional to 821,070.49, 1,133,020.83 and 453,531.37

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Solution

The fourth proportional to 821,070.49, 1,133,020.83 and 453,531.37 is: 625,842.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,070.49 : 1,133,020.83 = 453,531.37 : x
  2. Step 2: Convert to fraction form
    821,070.49/1,133,020.83 = 453,531.37/x
  3. Step 3: Cross multiply
    821,070.49x = 1,133,020.83 × 453,531.37
  4. Step 4: Simplify right side
    821,070.49x = 513,860,489,268.44
  5. Step 5: Solve for x
    x = 513,860,489,268.44/821,070.49
  6. Step 6: Final answer
    x = 625,842.11

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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.