Home / 829,045.72-1,242,382.02-355,604.44

Finding the Fourth Proportional to 829,045.72, 1,242,382.02 and 355,604.44

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Solution

The fourth proportional to 829,045.72, 1,242,382.02 and 355,604.44 is: 532,897.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,045.72 : 1,242,382.02 = 355,604.44 : x
  2. Step 2: Convert to fraction form
    829,045.72/1,242,382.02 = 355,604.44/x
  3. Step 3: Cross multiply
    829,045.72x = 1,242,382.02 × 355,604.44
  4. Step 4: Simplify right side
    829,045.72x = 441,796,562,488.17
  5. Step 5: Solve for x
    x = 441,796,562,488.17/829,045.72
  6. Step 6: Final answer
    x = 532,897.71

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1.5x scale

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.