Home / 849,242.58-1,171,987.01-486,736.39

Finding the Fourth Proportional to 849,242.58, 1,171,987.01 and 486,736.39

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Solution

The fourth proportional to 849,242.58, 1,171,987.01 and 486,736.39 is: 671,714.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,242.58 : 1,171,987.01 = 486,736.39 : x
  2. Step 2: Convert to fraction form
    849,242.58/1,171,987.01 = 486,736.39/x
  3. Step 3: Cross multiply
    849,242.58x = 1,171,987.01 × 486,736.39
  4. Step 4: Simplify right side
    849,242.58x = 570,448,723,940.61
  5. Step 5: Solve for x
    x = 570,448,723,940.61/849,242.58
  6. Step 6: Final answer
    x = 671,714.70

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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.