Home / 1,051.17-1,450.40-609.05

Finding the Fourth Proportional to 1,051.17, 1,450.40 and 609.05

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Solution

The fourth proportional to 1,051.17, 1,450.40 and 609.05 is: 840.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051.17 : 1,450.40 = 609.05 : x
  2. Step 2: Convert to fraction form
    1,051.17/1,450.40 = 609.05/x
  3. Step 3: Cross multiply
    1,051.17x = 1,450.40 × 609.05
  4. Step 4: Simplify right side
    1,051.17x = 883,355.82
  5. Step 5: Solve for x
    x = 883,355.82/1,051.17
  6. Step 6: Final answer
    x = 840.35

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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.