Home / 786,917.40-1,180,376.10-547,768.95

Finding the Fourth Proportional to 786,917.40, 1,180,376.10 and 547,768.95

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Solution

The fourth proportional to 786,917.40, 1,180,376.10 and 547,768.95 is: 821,653.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,917.40 : 1,180,376.10 = 547,768.95 : x
  2. Step 2: Convert to fraction form
    786,917.40/1,180,376.10 = 547,768.95/x
  3. Step 3: Cross multiply
    786,917.40x = 1,180,376.10 × 547,768.95
  4. Step 4: Simplify right side
    786,917.40x = 646,573,376,902.10
  5. Step 5: Solve for x
    x = 646,573,376,902.10/786,917.40
  6. Step 6: Final answer
    x = 821,653.43

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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.