Home / 788,992.20-1,182,905.10-434,406.60

Finding the Fourth Proportional to 788,992.20, 1,182,905.10 and 434,406.60

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Solution

The fourth proportional to 788,992.20, 1,182,905.10 and 434,406.60 is: 651,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,992.20 : 1,182,905.10 = 434,406.60 : x
  2. Step 2: Convert to fraction form
    788,992.20/1,182,905.10 = 434,406.60/x
  3. Step 3: Cross multiply
    788,992.20x = 1,182,905.10 × 434,406.60
  4. Step 4: Simplify right side
    788,992.20x = 513,861,782,613.66
  5. Step 5: Solve for x
    x = 513,861,782,613.66/788,992.20
  6. Step 6: Final answer
    x = 651,288.80

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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.