Home / 678,890.48-1,018,335.60-173,452.46

Finding the Fourth Proportional to 678,890.48, 1,018,335.60 and 173,452.46

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Solution

The fourth proportional to 678,890.48, 1,018,335.60 and 173,452.46 is: 260,178.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,890.48 : 1,018,335.60 = 173,452.46 : x
  2. Step 2: Convert to fraction form
    678,890.48/1,018,335.60 = 173,452.46/x
  3. Step 3: Cross multiply
    678,890.48x = 1,018,335.60 × 173,452.46
  4. Step 4: Simplify right side
    678,890.48x = 176,632,809,833.90
  5. Step 5: Solve for x
    x = 176,632,809,833.90/678,890.48
  6. Step 6: Final answer
    x = 260,178.65

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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.