Home / 829,835.20-1,244,752.80-514,907.20

Finding the Fourth Proportional to 829,835.20, 1,244,752.80 and 514,907.20

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Solution

The fourth proportional to 829,835.20, 1,244,752.80 and 514,907.20 is: 772,360.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,835.20 : 1,244,752.80 = 514,907.20 : x
  2. Step 2: Convert to fraction form
    829,835.20/1,244,752.80 = 514,907.20/x
  3. Step 3: Cross multiply
    829,835.20x = 1,244,752.80 × 514,907.20
  4. Step 4: Simplify right side
    829,835.20x = 640,932,178,940.16
  5. Step 5: Solve for x
    x = 640,932,178,940.16/829,835.20
  6. Step 6: Final answer
    x = 772,360.80

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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.