Home / 784,042.64-1,082,309.13-529,738.28

Finding the Fourth Proportional to 784,042.64, 1,082,309.13 and 529,738.28

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Solution

The fourth proportional to 784,042.64, 1,082,309.13 and 529,738.28 is: 731,261.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,042.64 : 1,082,309.13 = 529,738.28 : x
  2. Step 2: Convert to fraction form
    784,042.64/1,082,309.13 = 529,738.28/x
  3. Step 3: Cross multiply
    784,042.64x = 1,082,309.13 × 529,738.28
  4. Step 4: Simplify right side
    784,042.64x = 573,340,571,542.95
  5. Step 5: Solve for x
    x = 573,340,571,542.95/784,042.64
  6. Step 6: Final answer
    x = 731,261.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.