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Finding the Fourth Proportional to 1,050.79, 1,450.04 and 608.83

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Solution

The fourth proportional to 1,050.79, 1,450.04 and 608.83 is: 840.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.79 : 1,450.04 = 608.83 : x
  2. Step 2: Convert to fraction form
    1,050.79/1,450.04 = 608.83/x
  3. Step 3: Cross multiply
    1,050.79x = 1,450.04 × 608.83
  4. Step 4: Simplify right side
    1,050.79x = 882,831.91
  5. Step 5: Solve for x
    x = 882,831.91/1,050.79
  6. Step 6: Final answer
    x = 840.16

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