Home / 1,051.19-1,450.63-609.08

Finding the Fourth Proportional to 1,051.19, 1,450.63 and 609.08

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Solution

The fourth proportional to 1,051.19, 1,450.63 and 609.08 is: 840.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051.19 : 1,450.63 = 609.08 : x
  2. Step 2: Convert to fraction form
    1,051.19/1,450.63 = 609.08/x
  3. Step 3: Cross multiply
    1,051.19x = 1,450.63 × 609.08
  4. Step 4: Simplify right side
    1,051.19x = 883,539.42
  5. Step 5: Solve for x
    x = 883,539.42/1,051.19
  6. Step 6: Final answer
    x = 840.52

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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.