Home / 740.34-1,110.11-307.13

Finding the Fourth Proportional to 740.34, 1,110.11 and 307.13

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Solution

The fourth proportional to 740.34, 1,110.11 and 307.13 is: 460.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    740.34 : 1,110.11 = 307.13 : x
  2. Step 2: Convert to fraction form
    740.34/1,110.11 = 307.13/x
  3. Step 3: Cross multiply
    740.34x = 1,110.11 × 307.13
  4. Step 4: Simplify right side
    740.34x = 340,941.00
  5. Step 5: Solve for x
    x = 340,941.00/740.34
  6. Step 6: Final answer
    x = 460.52

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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.