Home / 1,025.96-1,539.58-470.58

Finding the Fourth Proportional to 1,025.96, 1,539.58 and 470.58

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Solution

The fourth proportional to 1,025.96, 1,539.58 and 470.58 is: 706.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025.96 : 1,539.58 = 470.58 : x
  2. Step 2: Convert to fraction form
    1,025.96/1,539.58 = 470.58/x
  3. Step 3: Cross multiply
    1,025.96x = 1,539.58 × 470.58
  4. Step 4: Simplify right side
    1,025.96x = 724,494.38
  5. Step 5: Solve for x
    x = 724,494.38/1,025.96
  6. Step 6: Final answer
    x = 706.17

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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.