Home / 808,898.20-1,213,784.70-335,631.40

Finding the Fourth Proportional to 808,898.20, 1,213,784.70 and 335,631.40

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Solution

The fourth proportional to 808,898.20, 1,213,784.70 and 335,631.40 is: 503,628.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,898.20 : 1,213,784.70 = 335,631.40 : x
  2. Step 2: Convert to fraction form
    808,898.20/1,213,784.70 = 335,631.40/x
  3. Step 3: Cross multiply
    808,898.20x = 1,213,784.70 × 335,631.40
  4. Step 4: Simplify right side
    808,898.20x = 407,384,258,159.58
  5. Step 5: Solve for x
    x = 407,384,258,159.58/808,898.20
  6. Step 6: Final answer
    x = 503,628.59

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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.