Home / 829,815.20-1,241,855.60-497,629.60

Finding the Fourth Proportional to 829,815.20, 1,241,855.60 and 497,629.60

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Solution

The fourth proportional to 829,815.20, 1,241,855.60 and 497,629.60 is: 744,724.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,815.20 : 1,241,855.60 = 497,629.60 : x
  2. Step 2: Convert to fraction form
    829,815.20/1,241,855.60 = 497,629.60/x
  3. Step 3: Cross multiply
    829,815.20x = 1,241,855.60 × 497,629.60
  4. Step 4: Simplify right side
    829,815.20x = 617,984,105,485.76
  5. Step 5: Solve for x
    x = 617,984,105,485.76/829,815.20
  6. Step 6: Final answer
    x = 744,724.98

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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.