Home / 876,034.43-1,314,094.70-427,139.01

Finding the Fourth Proportional to 876,034.43, 1,314,094.70 and 427,139.01

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Solution

The fourth proportional to 876,034.43, 1,314,094.70 and 427,139.01 is: 640,729.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,034.43 : 1,314,094.70 = 427,139.01 : x
  2. Step 2: Convert to fraction form
    876,034.43/1,314,094.70 = 427,139.01/x
  3. Step 3: Cross multiply
    876,034.43x = 1,314,094.70 × 427,139.01
  4. Step 4: Simplify right side
    876,034.43x = 561,301,107,068.55
  5. Step 5: Solve for x
    x = 561,301,107,068.55/876,034.43
  6. Step 6: Final answer
    x = 640,729.51

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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.