Home / 652,815.40-979,219.68-355,187.94

Finding the Fourth Proportional to 652,815.40, 979,219.68 and 355,187.94

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Solution

The fourth proportional to 652,815.40, 979,219.68 and 355,187.94 is: 532,780.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,815.40 : 979,219.68 = 355,187.94 : x
  2. Step 2: Convert to fraction form
    652,815.40/979,219.68 = 355,187.94/x
  3. Step 3: Cross multiply
    652,815.40x = 979,219.68 × 355,187.94
  4. Step 4: Simplify right side
    652,815.40x = 347,807,017,940.58
  5. Step 5: Solve for x
    x = 347,807,017,940.58/652,815.40
  6. Step 6: Final answer
    x = 532,780.05

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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.