Home / 678,324-1,017,505.44-179,688

Finding the Fourth Proportional to 678,324, 1,017,505.44 and 179,688

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Solution

The fourth proportional to 678,324, 1,017,505.44 and 179,688 is: 269,537.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,324 : 1,017,505.44 = 179,688 : x
  2. Step 2: Convert to fraction form
    678,324/1,017,505.44 = 179,688/x
  3. Step 3: Cross multiply
    678,324x = 1,017,505.44 × 179,688
  4. Step 4: Simplify right side
    678,324x = 182,833,517,502.72
  5. Step 5: Solve for x
    x = 182,833,517,502.72/678,324
  6. Step 6: Final answer
    x = 269,537.15

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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.