Home / 676,272.80-1,014,409.20-170,832.80

Finding the Fourth Proportional to 676,272.80, 1,014,409.20 and 170,832.80

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Solution

The fourth proportional to 676,272.80, 1,014,409.20 and 170,832.80 is: 256,249.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,272.80 : 1,014,409.20 = 170,832.80 : x
  2. Step 2: Convert to fraction form
    676,272.80/1,014,409.20 = 170,832.80/x
  3. Step 3: Cross multiply
    676,272.80x = 1,014,409.20 × 170,832.80
  4. Step 4: Simplify right side
    676,272.80x = 173,294,363,981.76
  5. Step 5: Solve for x
    x = 173,294,363,981.76/676,272.80
  6. Step 6: Final answer
    x = 256,249.20

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.