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Finding the Fourth Proportional to 439,326.63, 658,308.35 and 304,653.39

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Solution

The fourth proportional to 439,326.63, 658,308.35 and 304,653.39 is: 456,507.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,326.63 : 658,308.35 = 304,653.39 : x
  2. Step 2: Convert to fraction form
    439,326.63/658,308.35 = 304,653.39/x
  3. Step 3: Cross multiply
    439,326.63x = 658,308.35 × 304,653.39
  4. Step 4: Simplify right side
    439,326.63x = 200,555,870,492.81
  5. Step 5: Solve for x
    x = 200,555,870,492.81/439,326.63
  6. Step 6: Final answer
    x = 456,507.43

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1.5x scale

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.