Home / 832,400.72-1,248,601.68-201,315.14

Finding the Fourth Proportional to 832,400.72, 1,248,601.68 and 201,315.14

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Solution

The fourth proportional to 832,400.72, 1,248,601.68 and 201,315.14 is: 301,972.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,400.72 : 1,248,601.68 = 201,315.14 : x
  2. Step 2: Convert to fraction form
    832,400.72/1,248,601.68 = 201,315.14/x
  3. Step 3: Cross multiply
    832,400.72x = 1,248,601.68 × 201,315.14
  4. Step 4: Simplify right side
    832,400.72x = 251,362,415,770.43
  5. Step 5: Solve for x
    x = 251,362,415,770.43/832,400.72
  6. Step 6: Final answer
    x = 301,972.85

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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.