Home / 536,243.06-739,741.68-342,447.06

Finding the Fourth Proportional to 536,243.06, 739,741.68 and 342,447.06

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Solution

The fourth proportional to 536,243.06, 739,741.68 and 342,447.06 is: 472,402.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,243.06 : 739,741.68 = 342,447.06 : x
  2. Step 2: Convert to fraction form
    536,243.06/739,741.68 = 342,447.06/x
  3. Step 3: Cross multiply
    536,243.06x = 739,741.68 × 342,447.06
  4. Step 4: Simplify right side
    536,243.06x = 253,322,363,475.46
  5. Step 5: Solve for x
    x = 253,322,363,475.46/536,243.06
  6. Step 6: Final answer
    x = 472,402.13

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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.