Home / 678,924.45-1,018,383.77-173,484.62

Finding the Fourth Proportional to 678,924.45, 1,018,383.77 and 173,484.62

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Solution

The fourth proportional to 678,924.45, 1,018,383.77 and 173,484.62 is: 260,226.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,924.45 : 1,018,383.77 = 173,484.62 : x
  2. Step 2: Convert to fraction form
    678,924.45/1,018,383.77 = 173,484.62/x
  3. Step 3: Cross multiply
    678,924.45x = 1,018,383.77 × 173,484.62
  4. Step 4: Simplify right side
    678,924.45x = 176,673,916,260.70
  5. Step 5: Solve for x
    x = 176,673,916,260.70/678,924.45
  6. Step 6: Final answer
    x = 260,226.18

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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.