Home / 788,405.48-1,182,478.62-227,289.32

Finding the Fourth Proportional to 788,405.48, 1,182,478.62 and 227,289.32

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Solution

The fourth proportional to 788,405.48, 1,182,478.62 and 227,289.32 is: 340,896.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,405.48 : 1,182,478.62 = 227,289.32 : x
  2. Step 2: Convert to fraction form
    788,405.48/1,182,478.62 = 227,289.32/x
  3. Step 3: Cross multiply
    788,405.48x = 1,182,478.62 × 227,289.32
  4. Step 4: Simplify right side
    788,405.48x = 268,764,761,454.34
  5. Step 5: Solve for x
    x = 268,764,761,454.34/788,405.48
  6. Step 6: Final answer
    x = 340,896.62

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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.