Home / 832,748.30-1,248,357.03-300,138.98

Finding the Fourth Proportional to 832,748.30, 1,248,357.03 and 300,138.98

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Solution

The fourth proportional to 832,748.30, 1,248,357.03 and 300,138.98 is: 449,932.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,748.30 : 1,248,357.03 = 300,138.98 : x
  2. Step 2: Convert to fraction form
    832,748.30/1,248,357.03 = 300,138.98/x
  3. Step 3: Cross multiply
    832,748.30x = 1,248,357.03 × 300,138.98
  4. Step 4: Simplify right side
    832,748.30x = 374,680,605,660.03
  5. Step 5: Solve for x
    x = 374,680,605,660.03/832,748.30
  6. Step 6: Final answer
    x = 449,932.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.