Home / 829,961.40-1,244,942.10-546,526.20

Finding the Fourth Proportional to 829,961.40, 1,244,942.10 and 546,526.20

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Solution

The fourth proportional to 829,961.40, 1,244,942.10 and 546,526.20 is: 819,789.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,961.40 : 1,244,942.10 = 546,526.20 : x
  2. Step 2: Convert to fraction form
    829,961.40/1,244,942.10 = 546,526.20/x
  3. Step 3: Cross multiply
    829,961.40x = 1,244,942.10 × 546,526.20
  4. Step 4: Simplify right side
    829,961.40x = 680,393,475,133.02
  5. Step 5: Solve for x
    x = 680,393,475,133.02/829,961.40
  6. Step 6: Final answer
    x = 819,789.30

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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.