Home / 1,450.96-2,176.78-477.06

Finding the Fourth Proportional to 1,450.96, 2,176.78 and 477.06

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Solution

The fourth proportional to 1,450.96, 2,176.78 and 477.06 is: 715.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450.96 : 2,176.78 = 477.06 : x
  2. Step 2: Convert to fraction form
    1,450.96/2,176.78 = 477.06/x
  3. Step 3: Cross multiply
    1,450.96x = 2,176.78 × 477.06
  4. Step 4: Simplify right side
    1,450.96x = 1,038,454.67
  5. Step 5: Solve for x
    x = 1,038,454.67/1,450.96
  6. Step 6: Final answer
    x = 715.70

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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.