Home / 849,714.37-1,172,620.78-462,540.92

Finding the Fourth Proportional to 849,714.37, 1,172,620.78 and 462,540.92

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Solution

The fourth proportional to 849,714.37, 1,172,620.78 and 462,540.92 is: 638,314.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,714.37 : 1,172,620.78 = 462,540.92 : x
  2. Step 2: Convert to fraction form
    849,714.37/1,172,620.78 = 462,540.92/x
  3. Step 3: Cross multiply
    849,714.37x = 1,172,620.78 × 462,540.92
  4. Step 4: Simplify right side
    849,714.37x = 542,385,086,216.51
  5. Step 5: Solve for x
    x = 542,385,086,216.51/849,714.37
  6. Step 6: Final answer
    x = 638,314.60

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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.