Home / 678,583.47-1,017,910.23-173,148.87

Finding the Fourth Proportional to 678,583.47, 1,017,910.23 and 173,148.87

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Solution

The fourth proportional to 678,583.47, 1,017,910.23 and 173,148.87 is: 259,732.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,583.47 : 1,017,910.23 = 173,148.87 : x
  2. Step 2: Convert to fraction form
    678,583.47/1,017,910.23 = 173,148.87/x
  3. Step 3: Cross multiply
    678,583.47x = 1,017,910.23 × 173,148.87
  4. Step 4: Simplify right side
    678,583.47x = 176,250,006,085.94
  5. Step 5: Solve for x
    x = 176,250,006,085.94/678,583.47
  6. Step 6: Final answer
    x = 259,732.24

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1.5x scale

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.