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Finding the Fourth Proportional to 535,908.76, 739,534.92 and 303,330.72

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Solution

The fourth proportional to 535,908.76, 739,534.92 and 303,330.72 is: 418,585.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,908.76 : 739,534.92 = 303,330.72 : x
  2. Step 2: Convert to fraction form
    535,908.76/739,534.92 = 303,330.72/x
  3. Step 3: Cross multiply
    535,908.76x = 739,534.92 × 303,330.72
  4. Step 4: Simplify right side
    535,908.76x = 224,323,659,748.74
  5. Step 5: Solve for x
    x = 224,323,659,748.74/535,908.76
  6. Step 6: Final answer
    x = 418,585.54

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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.