Home / 678,488.63-1,018,199.50-235,256.63

Finding the Fourth Proportional to 678,488.63, 1,018,199.50 and 235,256.63

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Solution

The fourth proportional to 678,488.63, 1,018,199.50 and 235,256.63 is: 353,046.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,488.63 : 1,018,199.50 = 235,256.63 : x
  2. Step 2: Convert to fraction form
    678,488.63/1,018,199.50 = 235,256.63/x
  3. Step 3: Cross multiply
    678,488.63x = 1,018,199.50 × 235,256.63
  4. Step 4: Simplify right side
    678,488.63x = 239,538,177,358.55
  5. Step 5: Solve for x
    x = 239,538,177,358.55/678,488.63
  6. Step 6: Final answer
    x = 353,046.71

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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.