Home / 675,269.70-1,012,904.55-275,648.10

Finding the Fourth Proportional to 675,269.70, 1,012,904.55 and 275,648.10

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Solution

The fourth proportional to 675,269.70, 1,012,904.55 and 275,648.10 is: 413,472.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,269.70 : 1,012,904.55 = 275,648.10 : x
  2. Step 2: Convert to fraction form
    675,269.70/1,012,904.55 = 275,648.10/x
  3. Step 3: Cross multiply
    675,269.70x = 1,012,904.55 × 275,648.10
  4. Step 4: Simplify right side
    675,269.70x = 279,205,214,688.86
  5. Step 5: Solve for x
    x = 279,205,214,688.86/675,269.70
  6. Step 6: Final answer
    x = 413,472.15

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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.