Home / 855,472.08-1,180,527.96-487,940.88

Finding the Fourth Proportional to 855,472.08, 1,180,527.96 and 487,940.88

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Solution

The fourth proportional to 855,472.08, 1,180,527.96 and 487,940.88 is: 673,345.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,472.08 : 1,180,527.96 = 487,940.88 : x
  2. Step 2: Convert to fraction form
    855,472.08/1,180,527.96 = 487,940.88/x
  3. Step 3: Cross multiply
    855,472.08x = 1,180,527.96 × 487,940.88
  4. Step 4: Simplify right side
    855,472.08x = 576,027,851,667.01
  5. Step 5: Solve for x
    x = 576,027,851,667.01/855,472.08
  6. Step 6: Final answer
    x = 673,345.00

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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.