Home / 829,830.10-1,245,359.55-331,551.70

Finding the Fourth Proportional to 829,830.10, 1,245,359.55 and 331,551.70

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Solution

The fourth proportional to 829,830.10, 1,245,359.55 and 331,551.70 is: 497,573.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,830.10 : 1,245,359.55 = 331,551.70 : x
  2. Step 2: Convert to fraction form
    829,830.10/1,245,359.55 = 331,551.70/x
  3. Step 3: Cross multiply
    829,830.10x = 1,245,359.55 × 331,551.70
  4. Step 4: Simplify right side
    829,830.10x = 412,901,075,913.74
  5. Step 5: Solve for x
    x = 412,901,075,913.74/829,830.10
  6. Step 6: Final answer
    x = 497,573.03

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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.