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Finding the Fourth Proportional to 1,502.63, 2,254.30 and 476.63

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Solution

The fourth proportional to 1,502.63, 2,254.30 and 476.63 is: 715.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502.63 : 2,254.30 = 476.63 : x
  2. Step 2: Convert to fraction form
    1,502.63/2,254.30 = 476.63/x
  3. Step 3: Cross multiply
    1,502.63x = 2,254.30 × 476.63
  4. Step 4: Simplify right side
    1,502.63x = 1,074,467.01
  5. Step 5: Solve for x
    x = 1,074,467.01/1,502.63
  6. Step 6: Final answer
    x = 715.06

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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.