Home / 876,568.20-1,314,983.70-371,128.20

Finding the Fourth Proportional to 876,568.20, 1,314,983.70 and 371,128.20

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Solution

The fourth proportional to 876,568.20, 1,314,983.70 and 371,128.20 is: 556,747.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,568.20 : 1,314,983.70 = 371,128.20 : x
  2. Step 2: Convert to fraction form
    876,568.20/1,314,983.70 = 371,128.20/x
  3. Step 3: Cross multiply
    876,568.20x = 1,314,983.70 × 371,128.20
  4. Step 4: Simplify right side
    876,568.20x = 488,027,533,610.34
  5. Step 5: Solve for x
    x = 488,027,533,610.34/876,568.20
  6. Step 6: Final answer
    x = 556,747.93

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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.