Home / 678,698.49-1,018,046.78-173,259.47

Finding the Fourth Proportional to 678,698.49, 1,018,046.78 and 173,259.47

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Solution

The fourth proportional to 678,698.49, 1,018,046.78 and 173,259.47 is: 259,888.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,698.49 : 1,018,046.78 = 173,259.47 : x
  2. Step 2: Convert to fraction form
    678,698.49/1,018,046.78 = 173,259.47/x
  3. Step 3: Cross multiply
    678,698.49x = 1,018,046.78 × 173,259.47
  4. Step 4: Simplify right side
    678,698.49x = 176,386,247,866.55
  5. Step 5: Solve for x
    x = 176,386,247,866.55/678,698.49
  6. Step 6: Final answer
    x = 259,888.96

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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.