Home / 829,062.80-1,244,323.20-491,681.60

Finding the Fourth Proportional to 829,062.80, 1,244,323.20 and 491,681.60

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Solution

The fourth proportional to 829,062.80, 1,244,323.20 and 491,681.60 is: 737,954.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,062.80 : 1,244,323.20 = 491,681.60 : x
  2. Step 2: Convert to fraction form
    829,062.80/1,244,323.20 = 491,681.60/x
  3. Step 3: Cross multiply
    829,062.80x = 1,244,323.20 × 491,681.60
  4. Step 4: Simplify right side
    829,062.80x = 611,810,821,893.12
  5. Step 5: Solve for x
    x = 611,810,821,893.12/829,062.80
  6. Step 6: Final answer
    x = 737,954.74

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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.