Home / 678,878.14-1,018,205.24-223,475.33

Finding the Fourth Proportional to 678,878.14, 1,018,205.24 and 223,475.33

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Solution

The fourth proportional to 678,878.14, 1,018,205.24 and 223,475.33 is: 335,176.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,878.14 : 1,018,205.24 = 223,475.33 : x
  2. Step 2: Convert to fraction form
    678,878.14/1,018,205.24 = 223,475.33/x
  3. Step 3: Cross multiply
    678,878.14x = 1,018,205.24 × 223,475.33
  4. Step 4: Simplify right side
    678,878.14x = 227,543,750,581.16
  5. Step 5: Solve for x
    x = 227,543,750,581.16/678,878.14
  6. Step 6: Final answer
    x = 335,176.14

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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.