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Finding the Fourth Proportional to 673,729.96, 929,903.70 and 444,328.78

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Solution

The fourth proportional to 673,729.96, 929,903.70 and 444,328.78 is: 613,276.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,729.96 : 929,903.70 = 444,328.78 : x
  2. Step 2: Convert to fraction form
    673,729.96/929,903.70 = 444,328.78/x
  3. Step 3: Cross multiply
    673,729.96x = 929,903.70 × 444,328.78
  4. Step 4: Simplify right side
    673,729.96x = 413,182,976,538.49
  5. Step 5: Solve for x
    x = 413,182,976,538.49/673,729.96
  6. Step 6: Final answer
    x = 613,276.83

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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.