Home / 529,839.59-731,197.85-303,528.83

Finding the Fourth Proportional to 529,839.59, 731,197.85 and 303,528.83

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Solution

The fourth proportional to 529,839.59, 731,197.85 and 303,528.83 is: 418,880.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,839.59 : 731,197.85 = 303,528.83 : x
  2. Step 2: Convert to fraction form
    529,839.59/731,197.85 = 303,528.83/x
  3. Step 3: Cross multiply
    529,839.59x = 731,197.85 × 303,528.83
  4. Step 4: Simplify right side
    529,839.59x = 221,939,622,735.38
  5. Step 5: Solve for x
    x = 221,939,622,735.38/529,839.59
  6. Step 6: Final answer
    x = 418,880.79

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1.5x scale

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.