Home / 834,279.12-1,250,454.78-384,056.01

Finding the Fourth Proportional to 834,279.12, 1,250,454.78 and 384,056.01

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Solution

The fourth proportional to 834,279.12, 1,250,454.78 and 384,056.01 is: 575,640.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,279.12 : 1,250,454.78 = 384,056.01 : x
  2. Step 2: Convert to fraction form
    834,279.12/1,250,454.78 = 384,056.01/x
  3. Step 3: Cross multiply
    834,279.12x = 1,250,454.78 × 384,056.01
  4. Step 4: Simplify right side
    834,279.12x = 480,244,673,492.23
  5. Step 5: Solve for x
    x = 480,244,673,492.23/834,279.12
  6. Step 6: Final answer
    x = 575,640.29

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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.