Home / 420,293.04-580,006.32-229,310.40

Finding the Fourth Proportional to 420,293.04, 580,006.32 and 229,310.40

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Solution

The fourth proportional to 420,293.04, 580,006.32 and 229,310.40 is: 316,449.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,293.04 : 580,006.32 = 229,310.40 : x
  2. Step 2: Convert to fraction form
    420,293.04/580,006.32 = 229,310.40/x
  3. Step 3: Cross multiply
    420,293.04x = 580,006.32 × 229,310.40
  4. Step 4: Simplify right side
    420,293.04x = 133,001,481,241.73
  5. Step 5: Solve for x
    x = 133,001,481,241.73/420,293.04
  6. Step 6: Final answer
    x = 316,449.40

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1.5x scale

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.