Home / 559,882.32-772,736.85-330,423.09

Finding the Fourth Proportional to 559,882.32, 772,736.85 and 330,423.09

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Solution

The fourth proportional to 559,882.32, 772,736.85 and 330,423.09 is: 456,042.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,882.32 : 772,736.85 = 330,423.09 : x
  2. Step 2: Convert to fraction form
    559,882.32/772,736.85 = 330,423.09/x
  3. Step 3: Cross multiply
    559,882.32x = 772,736.85 × 330,423.09
  4. Step 4: Simplify right side
    559,882.32x = 255,330,097,733.87
  5. Step 5: Solve for x
    x = 255,330,097,733.87/559,882.32
  6. Step 6: Final answer
    x = 456,042.44

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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.