Home / 869,551.85-1,304,308.17-300,898.64

Finding the Fourth Proportional to 869,551.85, 1,304,308.17 and 300,898.64

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Solution

The fourth proportional to 869,551.85, 1,304,308.17 and 300,898.64 is: 451,341.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,551.85 : 1,304,308.17 = 300,898.64 : x
  2. Step 2: Convert to fraction form
    869,551.85/1,304,308.17 = 300,898.64/x
  3. Step 3: Cross multiply
    869,551.85x = 1,304,308.17 × 300,898.64
  4. Step 4: Simplify right side
    869,551.85x = 392,464,560,858.27
  5. Step 5: Solve for x
    x = 392,464,560,858.27/869,551.85
  6. Step 6: Final answer
    x = 451,341.18

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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.