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Finding the Fourth Proportional to 535,901.74, 739,525.26 and 303,323.70

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Solution

The fourth proportional to 535,901.74, 739,525.26 and 303,323.70 is: 418,575.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,901.74 : 739,525.26 = 303,323.70 : x
  2. Step 2: Convert to fraction form
    535,901.74/739,525.26 = 303,323.70/x
  3. Step 3: Cross multiply
    535,901.74x = 739,525.26 × 303,323.70
  4. Step 4: Simplify right side
    535,901.74x = 224,315,538,106.66
  5. Step 5: Solve for x
    x = 224,315,538,106.66/535,901.74
  6. Step 6: Final answer
    x = 418,575.87

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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.