Home / 874,129.04-1,206,353.64-529,997.90

Finding the Fourth Proportional to 874,129.04, 1,206,353.64 and 529,997.90

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Solution

The fourth proportional to 874,129.04, 1,206,353.64 and 529,997.90 is: 731,430.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,129.04 : 1,206,353.64 = 529,997.90 : x
  2. Step 2: Convert to fraction form
    874,129.04/1,206,353.64 = 529,997.90/x
  3. Step 3: Cross multiply
    874,129.04x = 1,206,353.64 × 529,997.90
  4. Step 4: Simplify right side
    874,129.04x = 639,364,895,857.36
  5. Step 5: Solve for x
    x = 639,364,895,857.36/874,129.04
  6. Step 6: Final answer
    x = 731,430.79

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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.