Home / 593,434.91-818,939.02-321,509.59

Finding the Fourth Proportional to 593,434.91, 818,939.02 and 321,509.59

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Solution

The fourth proportional to 593,434.91, 818,939.02 and 321,509.59 is: 443,682.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,434.91 : 818,939.02 = 321,509.59 : x
  2. Step 2: Convert to fraction form
    593,434.91/818,939.02 = 321,509.59/x
  3. Step 3: Cross multiply
    593,434.91x = 818,939.02 × 321,509.59
  4. Step 4: Simplify right side
    593,434.91x = 263,296,748,555.20
  5. Step 5: Solve for x
    x = 263,296,748,555.20/593,434.91
  6. Step 6: Final answer
    x = 443,682.61

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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.