Home / 789,038.46-1,088,864.91-449,514

Finding the Fourth Proportional to 789,038.46, 1,088,864.91 and 449,514

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Solution

The fourth proportional to 789,038.46, 1,088,864.91 and 449,514 is: 620,324.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,038.46 : 1,088,864.91 = 449,514 : x
  2. Step 2: Convert to fraction form
    789,038.46/1,088,864.91 = 449,514/x
  3. Step 3: Cross multiply
    789,038.46x = 1,088,864.91 × 449,514
  4. Step 4: Simplify right side
    789,038.46x = 489,460,021,153.74
  5. Step 5: Solve for x
    x = 489,460,021,153.74/789,038.46
  6. Step 6: Final answer
    x = 620,324.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.