Home / 715,276.24-1,072,700.28-235,415.43

Finding the Fourth Proportional to 715,276.24, 1,072,700.28 and 235,415.43

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Solution

The fourth proportional to 715,276.24, 1,072,700.28 and 235,415.43 is: 353,052.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,276.24 : 1,072,700.28 = 235,415.43 : x
  2. Step 2: Convert to fraction form
    715,276.24/1,072,700.28 = 235,415.43/x
  3. Step 3: Cross multiply
    715,276.24x = 1,072,700.28 × 235,415.43
  4. Step 4: Simplify right side
    715,276.24x = 252,530,197,677.32
  5. Step 5: Solve for x
    x = 252,530,197,677.32/715,276.24
  6. Step 6: Final answer
    x = 353,052.69

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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.