Home / 455,727.02-628,884.18-262,120.05

Finding the Fourth Proportional to 455,727.02, 628,884.18 and 262,120.05

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Solution

The fourth proportional to 455,727.02, 628,884.18 and 262,120.05 is: 361,714.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,727.02 : 628,884.18 = 262,120.05 : x
  2. Step 2: Convert to fraction form
    455,727.02/628,884.18 = 262,120.05/x
  3. Step 3: Cross multiply
    455,727.02x = 628,884.18 × 262,120.05
  4. Step 4: Simplify right side
    455,727.02x = 164,843,152,705.81
  5. Step 5: Solve for x
    x = 164,843,152,705.81/455,727.02
  6. Step 6: Final answer
    x = 361,714.68

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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.