Home / 678,631.77-1,017,946.78-173,192.76

Finding the Fourth Proportional to 678,631.77, 1,017,946.78 and 173,192.76

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Solution

The fourth proportional to 678,631.77, 1,017,946.78 and 173,192.76 is: 259,788.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,631.77 : 1,017,946.78 = 173,192.76 : x
  2. Step 2: Convert to fraction form
    678,631.77/1,017,946.78 = 173,192.76/x
  3. Step 3: Cross multiply
    678,631.77x = 1,017,946.78 × 173,192.76
  4. Step 4: Simplify right side
    678,631.77x = 176,301,012,361.31
  5. Step 5: Solve for x
    x = 176,301,012,361.31/678,631.77
  6. Step 6: Final answer
    x = 259,788.92

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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.