Home / 645,530.40-968,295.60-496,231.20

Finding the Fourth Proportional to 645,530.40, 968,295.60 and 496,231.20

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Solution

The fourth proportional to 645,530.40, 968,295.60 and 496,231.20 is: 744,346.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,530.40 : 968,295.60 = 496,231.20 : x
  2. Step 2: Convert to fraction form
    645,530.40/968,295.60 = 496,231.20/x
  3. Step 3: Cross multiply
    645,530.40x = 968,295.60 × 496,231.20
  4. Step 4: Simplify right side
    645,530.40x = 480,498,487,542.72
  5. Step 5: Solve for x
    x = 480,498,487,542.72/645,530.40
  6. Step 6: Final answer
    x = 744,346.80

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Similar ratio
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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.