Home / 855,676.84-1,180,877.52-493,159.72

Finding the Fourth Proportional to 855,676.84, 1,180,877.52 and 493,159.72

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Solution

The fourth proportional to 855,676.84, 1,180,877.52 and 493,159.72 is: 680,585.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,676.84 : 1,180,877.52 = 493,159.72 : x
  2. Step 2: Convert to fraction form
    855,676.84/1,180,877.52 = 493,159.72/x
  3. Step 3: Cross multiply
    855,676.84x = 1,180,877.52 × 493,159.72
  4. Step 4: Simplify right side
    855,676.84x = 582,361,227,117.49
  5. Step 5: Solve for x
    x = 582,361,227,117.49/855,676.84
  6. Step 6: Final answer
    x = 680,585.47

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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.