Home / 455,316.15-628,418.53-271,566.50

Finding the Fourth Proportional to 455,316.15, 628,418.53 and 271,566.50

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Solution

The fourth proportional to 455,316.15, 628,418.53 and 271,566.50 is: 374,810.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,316.15 : 628,418.53 = 271,566.50 : x
  2. Step 2: Convert to fraction form
    455,316.15/628,418.53 = 271,566.50/x
  3. Step 3: Cross multiply
    455,316.15x = 628,418.53 × 271,566.50
  4. Step 4: Simplify right side
    455,316.15x = 170,657,420,727.25
  5. Step 5: Solve for x
    x = 170,657,420,727.25/455,316.15
  6. Step 6: Final answer
    x = 374,810.82

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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.