Home / 829,829.20-1,241,876.60-497,643.60

Finding the Fourth Proportional to 829,829.20, 1,241,876.60 and 497,643.60

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Solution

The fourth proportional to 829,829.20, 1,241,876.60 and 497,643.60 is: 744,745.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,829.20 : 1,241,876.60 = 497,643.60 : x
  2. Step 2: Convert to fraction form
    829,829.20/1,241,876.60 = 497,643.60/x
  3. Step 3: Cross multiply
    829,829.20x = 1,241,876.60 × 497,643.60
  4. Step 4: Simplify right side
    829,829.20x = 618,011,941,979.76
  5. Step 5: Solve for x
    x = 618,011,941,979.76/829,829.20
  6. Step 6: Final answer
    x = 744,745.96

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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.