Home / 849,837.80-1,172,860.88-634,604.19

Finding the Fourth Proportional to 849,837.80, 1,172,860.88 and 634,604.19

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Solution

The fourth proportional to 849,837.80, 1,172,860.88 and 634,604.19 is: 875,817.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,837.80 : 1,172,860.88 = 634,604.19 : x
  2. Step 2: Convert to fraction form
    849,837.80/1,172,860.88 = 634,604.19/x
  3. Step 3: Cross multiply
    849,837.80x = 1,172,860.88 × 634,604.19
  4. Step 4: Simplify right side
    849,837.80x = 744,302,428,735.09
  5. Step 5: Solve for x
    x = 744,302,428,735.09/849,837.80
  6. Step 6: Final answer
    x = 875,817.04

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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.