Home / 529,965.96-731,352.50-303,612.36

Finding the Fourth Proportional to 529,965.96, 731,352.50 and 303,612.36

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Solution

The fourth proportional to 529,965.96, 731,352.50 and 303,612.36 is: 418,984.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,965.96 : 731,352.50 = 303,612.36 : x
  2. Step 2: Convert to fraction form
    529,965.96/731,352.50 = 303,612.36/x
  3. Step 3: Cross multiply
    529,965.96x = 731,352.50 × 303,612.36
  4. Step 4: Simplify right side
    529,965.96x = 222,047,658,516.90
  5. Step 5: Solve for x
    x = 222,047,658,516.90/529,965.96
  6. Step 6: Final answer
    x = 418,984.76

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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.