Home / 787,530.70-1,179,546.45-647,562.70

Finding the Fourth Proportional to 787,530.70, 1,179,546.45 and 647,562.70

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Solution

The fourth proportional to 787,530.70, 1,179,546.45 and 647,562.70 is: 969,905.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,530.70 : 1,179,546.45 = 647,562.70 : x
  2. Step 2: Convert to fraction form
    787,530.70/1,179,546.45 = 647,562.70/x
  3. Step 3: Cross multiply
    787,530.70x = 1,179,546.45 × 647,562.70
  4. Step 4: Simplify right side
    787,530.70x = 763,830,283,937.42
  5. Step 5: Solve for x
    x = 763,830,283,937.42/787,530.70
  6. Step 6: Final answer
    x = 969,905.41

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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.