Home / 676,821.06-1,015,233.87-171,381.80

Finding the Fourth Proportional to 676,821.06, 1,015,233.87 and 171,381.80

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Solution

The fourth proportional to 676,821.06, 1,015,233.87 and 171,381.80 is: 257,073.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,821.06 : 1,015,233.87 = 171,381.80 : x
  2. Step 2: Convert to fraction form
    676,821.06/1,015,233.87 = 171,381.80/x
  3. Step 3: Cross multiply
    676,821.06x = 1,015,233.87 × 171,381.80
  4. Step 4: Simplify right side
    676,821.06x = 173,992,602,985.40
  5. Step 5: Solve for x
    x = 173,992,602,985.40/676,821.06
  6. Step 6: Final answer
    x = 257,073.27

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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.