Home / 783,781.17-1,176,076.35-334,381.43

Finding the Fourth Proportional to 783,781.17, 1,176,076.35 and 334,381.43

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Solution

The fourth proportional to 783,781.17, 1,176,076.35 and 334,381.43 is: 501,744.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,781.17 : 1,176,076.35 = 334,381.43 : x
  2. Step 2: Convert to fraction form
    783,781.17/1,176,076.35 = 334,381.43/x
  3. Step 3: Cross multiply
    783,781.17x = 1,176,076.35 × 334,381.43
  4. Step 4: Simplify right side
    783,781.17x = 393,258,085,821.80
  5. Step 5: Solve for x
    x = 393,258,085,821.80/783,781.17
  6. Step 6: Final answer
    x = 501,744.75

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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.