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Finding the Fourth Proportional to 535,809.84, 739,407.02 and 303,232.47

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Solution

The fourth proportional to 535,809.84, 739,407.02 and 303,232.47 is: 418,454.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,809.84 : 739,407.02 = 303,232.47 : x
  2. Step 2: Convert to fraction form
    535,809.84/739,407.02 = 303,232.47/x
  3. Step 3: Cross multiply
    535,809.84x = 739,407.02 × 303,232.47
  4. Step 4: Simplify right side
    535,809.84x = 224,212,217,009.94
  5. Step 5: Solve for x
    x = 224,212,217,009.94/535,809.84
  6. Step 6: Final answer
    x = 418,454.83

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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.