Home / 849,144.60-1,171,828.26-486,560.61

Finding the Fourth Proportional to 849,144.60, 1,171,828.26 and 486,560.61

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Solution

The fourth proportional to 849,144.60, 1,171,828.26 and 486,560.61 is: 671,458.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,144.60 : 1,171,828.26 = 486,560.61 : x
  2. Step 2: Convert to fraction form
    849,144.60/1,171,828.26 = 486,560.61/x
  3. Step 3: Cross multiply
    849,144.60x = 1,171,828.26 × 486,560.61
  4. Step 4: Simplify right side
    849,144.60x = 570,165,473,000.84
  5. Step 5: Solve for x
    x = 570,165,473,000.84/849,144.60
  6. Step 6: Final answer
    x = 671,458.63

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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.