Home / 538,500.06-743,256.72-334,704.90

Finding the Fourth Proportional to 538,500.06, 743,256.72 and 334,704.90

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Solution

The fourth proportional to 538,500.06, 743,256.72 and 334,704.90 is: 461,971.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,500.06 : 743,256.72 = 334,704.90 : x
  2. Step 2: Convert to fraction form
    538,500.06/743,256.72 = 334,704.90/x
  3. Step 3: Cross multiply
    538,500.06x = 743,256.72 × 334,704.90
  4. Step 4: Simplify right side
    538,500.06x = 248,771,666,141.93
  5. Step 5: Solve for x
    x = 248,771,666,141.93/538,500.06
  6. Step 6: Final answer
    x = 461,971.47

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1.5x scale

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.