Home / 1,114.17-1,670.60-497.55

Finding the Fourth Proportional to 1,114.17, 1,670.60 and 497.55

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Solution

The fourth proportional to 1,114.17, 1,670.60 and 497.55 is: 746.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114.17 : 1,670.60 = 497.55 : x
  2. Step 2: Convert to fraction form
    1,114.17/1,670.60 = 497.55/x
  3. Step 3: Cross multiply
    1,114.17x = 1,670.60 × 497.55
  4. Step 4: Simplify right side
    1,114.17x = 831,204.54
  5. Step 5: Solve for x
    x = 831,204.54/1,114.17
  6. Step 6: Final answer
    x = 746.03

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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.