Home / 756,557.82-1,134,071.19-490,487.40

Finding the Fourth Proportional to 756,557.82, 1,134,071.19 and 490,487.40

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Solution

The fourth proportional to 756,557.82, 1,134,071.19 and 490,487.40 is: 735,234.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,557.82 : 1,134,071.19 = 490,487.40 : x
  2. Step 2: Convert to fraction form
    756,557.82/1,134,071.19 = 490,487.40/x
  3. Step 3: Cross multiply
    756,557.82x = 1,134,071.19 × 490,487.40
  4. Step 4: Simplify right side
    756,557.82x = 556,247,629,398.01
  5. Step 5: Solve for x
    x = 556,247,629,398.01/756,557.82
  6. Step 6: Final answer
    x = 735,234.79

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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.