Home / 849,839.48-1,172,863.21-634,605.88

Finding the Fourth Proportional to 849,839.48, 1,172,863.21 and 634,605.88

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Solution

The fourth proportional to 849,839.48, 1,172,863.21 and 634,605.88 is: 875,819.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,839.48 : 1,172,863.21 = 634,605.88 : x
  2. Step 2: Convert to fraction form
    849,839.48/1,172,863.21 = 634,605.88/x
  3. Step 3: Cross multiply
    849,839.48x = 1,172,863.21 × 634,605.88
  4. Step 4: Simplify right side
    849,839.48x = 744,305,889,501.68
  5. Step 5: Solve for x
    x = 744,305,889,501.68/849,839.48
  6. Step 6: Final answer
    x = 875,819.38

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1.5x scale

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.