Home / 788,662.69-1,182,520.20-308,318.39

Finding the Fourth Proportional to 788,662.69, 1,182,520.20 and 308,318.39

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Solution

The fourth proportional to 788,662.69, 1,182,520.20 and 308,318.39 is: 462,292.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,662.69 : 1,182,520.20 = 308,318.39 : x
  2. Step 2: Convert to fraction form
    788,662.69/1,182,520.20 = 308,318.39/x
  3. Step 3: Cross multiply
    788,662.69x = 1,182,520.20 × 308,318.39
  4. Step 4: Simplify right side
    788,662.69x = 364,592,724,206.48
  5. Step 5: Solve for x
    x = 364,592,724,206.48/788,662.69
  6. Step 6: Final answer
    x = 462,292.34

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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.