Home / 778,962.20-1,168,880.70-329,606.60

Finding the Fourth Proportional to 778,962.20, 1,168,880.70 and 329,606.60

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Solution

The fourth proportional to 778,962.20, 1,168,880.70 and 329,606.60 is: 494,594.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,962.20 : 1,168,880.70 = 329,606.60 : x
  2. Step 2: Convert to fraction form
    778,962.20/1,168,880.70 = 329,606.60/x
  3. Step 3: Cross multiply
    778,962.20x = 1,168,880.70 × 329,606.60
  4. Step 4: Simplify right side
    778,962.20x = 385,270,793,332.62
  5. Step 5: Solve for x
    x = 385,270,793,332.62/778,962.20
  6. Step 6: Final answer
    x = 494,594.98

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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.