Home / 453,140.10-678,932.55-295,287.30

Finding the Fourth Proportional to 453,140.10, 678,932.55 and 295,287.30

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Solution

The fourth proportional to 453,140.10, 678,932.55 and 295,287.30 is: 442,424.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,140.10 : 678,932.55 = 295,287.30 : x
  2. Step 2: Convert to fraction form
    453,140.10/678,932.55 = 295,287.30/x
  3. Step 3: Cross multiply
    453,140.10x = 678,932.55 × 295,287.30
  4. Step 4: Simplify right side
    453,140.10x = 200,480,159,571.62
  5. Step 5: Solve for x
    x = 200,480,159,571.62/453,140.10
  6. Step 6: Final answer
    x = 442,424.23

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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.