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Finding the Fourth Proportional to 559,932.41, 772,684.47 and 330,563.58

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Solution

The fourth proportional to 559,932.41, 772,684.47 and 330,563.58 is: 456,164.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,932.41 : 772,684.47 = 330,563.58 : x
  2. Step 2: Convert to fraction form
    559,932.41/772,684.47 = 330,563.58/x
  3. Step 3: Cross multiply
    559,932.41x = 772,684.47 × 330,563.58
  4. Step 4: Simplify right side
    559,932.41x = 255,421,344,613.60
  5. Step 5: Solve for x
    x = 255,421,344,613.60/559,932.41
  6. Step 6: Final answer
    x = 456,164.60

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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.