Home / 762,541.56-1,143,988.06-263,905.56

Finding the Fourth Proportional to 762,541.56, 1,143,988.06 and 263,905.56

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Solution

The fourth proportional to 762,541.56, 1,143,988.06 and 263,905.56 is: 395,919.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,541.56 : 1,143,988.06 = 263,905.56 : x
  2. Step 2: Convert to fraction form
    762,541.56/1,143,988.06 = 263,905.56/x
  3. Step 3: Cross multiply
    762,541.56x = 1,143,988.06 × 263,905.56
  4. Step 4: Simplify right side
    762,541.56x = 301,904,809,607.61
  5. Step 5: Solve for x
    x = 301,904,809,607.61/762,541.56
  6. Step 6: Final answer
    x = 395,919.15

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1.5x scale

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.